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Optimism, heart health, and longevity: Unraveling the link for Black Americans

Recent findings from the largest and longest-running study of risk factors for cardiovascular disease in Black Americans suggest that a positive outlook can lead to longer life. But while optimism may boost heart health and overall health, the full picture is more complicated.

Is a mobile app as good as a therapist?

Due to the lengthy wait for an appointment with a therapist, many people have turned to the numerous mental health apps available on smartphones. Research did not find convincing evidence that use of any such app resulted in significant improvement in symptoms, but some may be useful as a complement to therapy.

Should you take probiotics?

Probiotics can be helpful in some cases, but it's unclear whether they are safe for all older adults.

Two common shoulder injuries and how to avoid them

Two categories of shoulder injuries are particularly common among older adults: rotator cuff injuries and shoulder bone fractures. The key to warding off shoulder injuries is to keep the joints healthy, strong, and flexible. Many of the strategies to do this are the same ones that will reduce fall or fracture risk. Examples include weight-bearing activity, stretching, improving balance, and eating a healthy diet. Other strategies include strengthening the shoulder muscles, stretching the shoulders right before activity that requires shoulder power, and removing fall hazards from the home.

Should you monitor this chronic inflammation marker?

Increasingly, tests that measure C-reactive protein are marketed to health-conscious consumers as a way of determining if they have chronic inflammation. However, the test is just one piece of evidence and should be interpreted by one's doctor. Without that expertise, a customer might not understand what the CRP test result means, and as a result might suffer unnecessary anxiety or pursue unnecessary tests. It's best to talk to one's doctor before seeking tests that measure CRP levels.

Protecting the skin from the sun doesn't increase fracture risk

Protecting the skin from the sun doesn't increase the risk of vitamin D deficiency or bone fracture, according to a recent study.

FTC orders refunds to people who purchased anti-aging products

The Federal Trade Commission called on companies to issue refunds to people who purchased anti-aging products due to unsubstantiated marketing claims.

Can brain training smartphone apps and computer games really help you stay sharp?

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.

Can my phone and other devices interfere with my pacemaker?

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.

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