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Vitamin D’s primary function is to help the body absorb calcium, though it may also protect against prostate cancer and other diseases. Many people do not get enough from sunlight, its natural source, and should get the needed amount via a supplement.
Protecting the skin from the sun doesn’t increase the risk of vitamin D deficiency or bone fracture, according to a recent study.
Naturally occurring plant compounds called stanols can help reduce cholesterol. But they may not be found in large enough amounts in butter substitutes to reduce cholesterol levels in the body. The best way to lower is cholesterol is still by eating a plant-based diet with more fruits and vegetables and less processed foods, reducing consumption of saturated fat, and working to maintain a healthy weight.
The FDA recently moved to help make certain that women considering breast implants have a clear picture of what implants involve before moving ahead with surgery. The agency announced a series of changes in October 2021. These include new labeling requirements for breast implant manufacturers, a requirement that facilities provide patients with a checklist outlining potential risks and benefits related to breast implants, and updated screening recommendations to detect leaks in silicone breast implants.
The Federal Trade Commission called on companies to issue refunds to people who purchased anti-aging products due to unsubstantiated marketing claims.
A study found that women who regularly dine alone may be at elevated risk for heart disease, possibly because they were found to have less nutritional knowledge and ate less nutritious meals.
A large number of apps and computer programs claim to help keep the mind sharp and improve memory. Since there is limited evidence that these programs bring cognitive benefits, be skeptical of these claims and choose the ones that you enjoy. Meanwhile, practice proven brain-protecting strategies such as staying physically active, eating a healthy diet, socializing, and avoiding brain-harming habits such as drinking excess alcohol, getting too little sleep, and using illegal drugs.
Certain devices that use magnetic chargers may interfere with cardiac devices such as pacemakers. A doctor should advise people on which ones to avoid or to use caution when operating.
Most people don’t benefit from colonoscopies after age 75, but before stopping they should have a discussion with their doctor.
Research shows that a diet rich in anti-inflammatory foods, such as fruits and vegetables, healthy oils, and whole grains, may help prevent some joint problems, such as gout or even osteoarthritis. The benefit is less pronounced if a person has joint problems already. Diet cannot reverse joint problems completely, but it may help with disease management in combination with other treatments.