Health

10 ways to reduce your risk of dementia

Dementia affects millions of Americans—including nearly one in 10 adults over age 65. While the causes of different dementias vary, a 2020 report from a Lancet commission identified several modifiable risk factors that ...

Diseases, Conditions, Syndromes

Long Covid remains a mystery, though theories are emerging

Millions of people around the world are believed to suffer from long COVID yet little remains known about the condition—though research has recently proposed several theories for its cause.

Ophthalmology

How exercise reduces cataract risk

Chinese and Australian researchers have combined studies of more than 170,000 people and found conclusive evidence that regular physical exercise reduces the risk of age-related cataracts, the cause of blindness in an estimated ...

Diabetes

Eating disorders linked to diabetic eye issues

Eating disorders can cause an increased risk of people with diabetes developing diabetic retinopathy—a condition that can cause blindness if untreated—according to new research published in the Journal of Diabetes and ...

Immunology

Why protecting the brain against infection takes guts

The brain is uniquely protected against invading bacteria and viruses, but its defence mechanism has long remained a mystery. Now, a study in mice, confirmed in human samples, has shown that the brain has a surprising ally ...

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