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Offering children a wide variety and large quantities of snack food encourages them to eat more

Less focus on plate size and more on reducing quantity and variety of food key to getting children to snack less.

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A new study has found that offering children a wide variety and large quantities of snack food encourages them to eat more – and this practice may be contributing to Australia’s weight problem.

The research*, led by the Murdoch Children’s Research Institute and published in the latest International Journal of Obesity, also found that how snacks are presented (in a large or small container) has little influence on how much children snack.

Lead researcher Dr Jessica Kerr said their study found children weren’t greatly affected by container size, with food consumption mainly driven by the quantity/variety of snacks on offer.

“There has been a popular push by nutritionists and public health officials towards replacing large dishware with smaller versions to nudge people towards healthier decisions,” she said. “But we have found dishware size has very little effect on the amount of food consumed.”

Dr Kerr said while the overconsumption of snack foods is an important contributor to obesity, most people do not recognise the impact it has on their calorie intake.

“Children and adults should only consume energy-dense snacks occasionally – they do not need to be part of daily energy intake,” she said. “But the reality is that Australians typically get around 30-40 per cent of their energy intake from snack foods.”

Dr Kerr said three times as many children in Australia are now overweight or obese compared to 30 years ago.

“About 20 per cent (1 in 5) of children are overweight or obese,” she said. “There are many complications of children being overweight such as type 2 diabetes, orthopaedic and respiratory disorders, liver problems and sleep apnoea.”

Dr Kerr said until now studies into snacking behavior were limited by self-reported data or small sample sizes.

“Past dietary studies have mostly focused on main meals,” Dr Kerr said. “It is important to determine on a larger scale how dishware size and the quantity, variety, and energy density of snacks affect both child and adult snacking behavior when apart from each other outside of the family environment,” she said.

For the study, participants ate during a 15-minute snack break between 20 other health assessments at the Child Health CheckPoint, which looked at the health of 1800 children, aged 11-12 years, and their parents across a variety of factors from physical activity to sleep.

The children and parents were given a snack box containing non-perishable items such as crackers, cheese, a muesli bar, biscuits, a tub of peaches and chocolate.

The quantity/number and variety of snack food items and the container sizes that the food was presented in varied. Children and parents ate separately and at different times.

Researchers recorded how much food each child and parent left in the box uneaten, and calculated the total grams and kilojoules consumed.

“Children who were offered more snack items consumed considerably more energy and a slightly higher food mass. Manipulating box/container size had little effect on consumption,” she said.

The impact on adults was little, however Dr Kerr said adults were more aware that they were being observed and this may have impacted their eating behaviour.

Dr Kerr said further research should be done with parents and community leaders to better understand the use and purpose of snack food items in the face of time pressures, marketing, and child preferences.

“Although there is sometimes a place for snack items to bridge the gap between main meals, our results reinforce calls to educate parents and schools about appropriate snack items and amounts of food to offer children,” she said.

“Our research indicates that more attention and resources should be directed to toward offering children smaller amounts of food and, specifically, fewer and less variety of energy-dense foods and pre-packaged items. Interventions should not solely invest in reducing dishware size in the expectation that this will lead to reduced intake of snack foods.”

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Researchers from the University of Melbourne, Erasmus University Rotterdam, University of South Australia, Monash University, Deakin University, University of Sydney and the University of Auckland also contributed to the findings.

*Publication: Jessica A Kerr, Pauline W Jansen, Fiona K Mensah, Kay Gibbons, Tim S Olds, John B Carlin, Susan A Clifford, David Burgner, Lisa Gold, Louise A Baur and Melissa Wake. ‘Child and adult snack food intake in response to manipulated pre-packaged snack item quantity/ variety and snack box size: a population-based randomized trial.’ International Journal of Obesity.

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Fitness

Treatment options to help overcome knee pain for sports enthusiasts

“Sports-related pain should be evaluated quickly, especially when it’s difficult to put weight on the knee, swelling occurs or there is restricted range of motion,” said Dr. Alexander Meininger, orthopedic surgeon and MACI consultant.

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Millions of people experience chronic pain, with knee pain among the most common. Athletes and active adults know the impact activities like running and skiing can have on their knees, but when chronic knee pain makes it difficult to do those activities, or even day-to-day tasks like walking up the stairs, people may often face challenges.

According to the journal “Cartilage,” unlike other tissues, cartilage does not repair itself and, without proper treatment, can worsen over time and become more difficult to treat. However, options like FDA-approved knee cartilage repair surgery MACI (autologous cultured chondrocytes on porcine collagen membrane) uses a patient’s cells to help repair cartilage defects and may help alleviate knee pain.

“Sports-related pain should be evaluated quickly, especially when it’s difficult to put weight on the knee, swelling occurs or there is restricted range of motion,” said Dr. Alexander Meininger, orthopedic surgeon and MACI consultant.

Justin Keys, a former patient of Meininger and avid skier, knows that the long-term outcomes of knee cartilage surgery can be worth the short-term sacrifices. After several injuries, including an ACL injury, Keys struggled with most activities except walking on flat, paved surfaces. After consulting with Meininger, Keys chose knee cartilage repair to help get back to his active lifestyle.

Keys considered whether to manage the injury as-is or choose MACI and undergo rehabilitation to potentially get back to his favorite activities in the future. He knew he could no longer use short-term relief methods and had to address his pain with a treatment to help provide lasting relief.

For athletes like Keys who want to fix knee pain, it’s important to consider these steps:

Discuss Options with Your Doctor

Patients should talk to their doctors and undergo an MRI to help assess the internal structures of the knee. Meininger recommends patients and their doctors discuss options for long-term knee restoration health, preserving function for future decades and recognizing the short-term sacrifice.

Set Yourself Up for Success

Experts like Meininger suggest patients take steps ahead of surgery to help their recovery.

“The important thing is to be as fit as possible and use the preseason months to undergo surgery and rehab,” Meininger said.

Patients can take steps to prep their home for recovery, which may include:

  • Bringing necessities down from hard-to-reach shelves
  • Moving furniture to ensure clear pathways
  • Installing shower safety handles to minimize potential falls

The Road to Rehab and Recovery

Rehabilitation takes time and everyone’s experience is unique. It can be as much of a mental challenge as it is physical. Committing to a physical therapy regime, staying hydrated and eating well are important aspects to support recovery. Patients should talk to their doctors with questions and before starting any exercises.

IMPORTANT SAFETY INFORMATION

Do not use if you are allergic to antibiotics such as gentamicin or materials from cow or pig; have severe osteoarthritis of the knee, other severe inflammatory conditions, infections or inflammation in the bone joint and other surrounding tissue or blood clotting conditions; had knee surgery in the past 6 months, not including surgery for obtaining a cartilage biopsy or a surgical procedure to prepare your knee for a MACI implant; or cannot follow a rehabilitation program post-surgery.

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Fitness

6 Exercise safety tips

Now, as social restrictions ease, you may find yourself stepping up your workouts, whether you’re training for an event or working to improve your game in a recreational league.

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In the wake of the COVID-19 pandemic, many Americans are more aware of their health and wellness. Now, as social restrictions ease, you may find yourself stepping up your workouts, whether you’re training for an event or working to improve your game in a recreational league.

Sprains, strains and injuries can happen to even the most seasoned athletes. When you’re testing your limits, even a minor injury can alter your performance. Consider products and supports like these from the CURAD Performance Series product line, available at Walmart and Amazon, to help you get back in the game quickly and safely.

Find more resources to support your fitness journey at CURAD.com.

Keep Dirt and Germs Away

The more active you are, the harder it can be to find a bandage that stays with you all day or all game long.

Spray Away Sore Spots

Controlling mild pain can help keep you at the top of your game, and a topical analgesic works fast to heal common pain brought on by fitness and exercise, such as pain in knees, feet, shoulders and backs.

Put Pain in the Past

When recovery becomes the name of the game and pain relief is needed after daily workouts or bodily injuries. Cold packs work to heal bruises, reduce swelling and relieve headaches and general pain points while microwavable heat packs provide satisfying heat therapy to address sore and stiff joints, muscle cramps and tension.

Reduce Impact of Knee Strain

Weak, injured or arthritic knees can come from many sources, including tendonitis and a wide range of conditions that result in strain or overuse. An adjustable band can provide support for on-field sports and during workouts or everyday activities.

Manage Pain and Relieve Pressure

If you participate in endurance and strength exercises or certain sports, you may ask a lot of your joints. Kinesiology tape can be configured a multitude of ways to help reduce pain and improve blood circulation, as well as relieve tension and pressure.

Control Back Strain

When your back is strained, your body and performance can suffer. A mild or moderate sprain can benefit from strong support and compression.

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Fitness

Exercise can provide relief for dry, itchy eyes

A significant increase in tear secretion and tear film stability after participating in aerobic exercise can be another remedy for relieving dry, itchy eyes.

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Photo by Quinten de Graaf from Unsplash.com

A team led by researchers from the University of Waterloo discovered that a significant increase in tear secretion and tear film stability after participating in aerobic exercise can be another remedy for relieving dry, itchy eyes. 

Every time we blink, our eyes are covered in tear film—an essential protective coating necessary for maintaining healthy ocular function. Healthy tear film comprises three layers–oil, water, and mucin–that work together to hydrate the ocular surface and protect against infection-causing irritants like dust or dirt.

When any part of the tear film becomes unstable, the ocular surface can develop dry spots, causing eye symptoms like itchiness or stinging and burning sensations.

“With so much of our activity tied to screen usage, dry eye symptoms are becoming increasingly common,” said Heinz Otchere, a PhD candidate in vision science at Waterloo. “Instead of having to use eye drops or other alternative treatments, our study aimed to determine if remaining physically active can be an effective preventative measure against dryness.”

Fifty-two participants were divided into two groups—athlete and non-athlete—to participate in an exercise session. Participants in the athlete group exercised at least five times per week, while non-athlete participants exercised no more than once per week. Researchers, which included experts from the University of Cape Coast in Ghana, performed visual examinations before and five minutes after each exercise session, where tear secretion and tear break-up time were assessed.

While participants in the athlete group showed the largest increase, Otchere says all participants experienced a meaningful boost in tear quantity and tear film stability after the exercise session. 

“It can be challenging for people to regularly exercise when the demand is there to work increasingly longer hours in front of screens,” Otchere said. “However, our findings show physical activity can be really important for not just our overall well-being, but for our ocular health too.”

The study, Differential effect of maximal incremental treadmill exercise on tear secretion and tear film stability in athletes and non-athletes, was co-authored by Otchere, the University of Cape Coast’s Samuel Abokyi, Sekyere Nyamaah, and Michael Ntodie, and Ghana’s Our Lady of Grace Hospital’s Yaw Osei Akoto. It was recently published in the Experimental Eye Research journal.

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