Stroke Archive

The scientific understanding of HDL cholesterol has evolved in recent years, and many cardiologists now believe that HDL may be more of a bystander rather than a "good guy" that helps lower heart disease risk. While some types of HDL are great at plucking excess cholesterol from LDL and artery walls (a process referred to as reverse cholesterol transport) other types of HDL don't do this. In clinical trials, medications to raise HDL levels-including a drug specifically designed to improve reverse cholesterol transport-have not succeeded in lowering heart attacks and strokes.

An analysis shows less than 7% of adults in the US meet the criteria for optimal cardiometabolic health. Taking small steps to help control and improve key risk factors can reduce the odds of a heart attack or stroke.

A blackout can be frightening and confusing. Learn what clues doctors look for and which tests help uncover the cause.

Name slips and misplaced keys can feel unsettling in your 70s. Learn which memory changes are typical and when they might signal something more.

In the US, widespread vaccination halted the ongoing spread of measles more than 20 years ago, but recent outbreaks have flared in over 20 US states, leading to hospitalizations and at least two deaths. Measles is highly preventable - here's what you need to know.

Heartburn often starts after a meal. It can create a burning sensation high in the abdomen, just below the bottom of the breastbone, or underneath the middle of the breastbone in the chest. It can also include other symptoms.

Having a persistent illness is challenging. It means having to make changes and adjustments to accommodate your needs, but it does not have to mean giving up on everything you enjoy.

Brain health supplements purport to enhance memory and improve attention and focus. But no robust scientific evidence backs up those claims. The FDA doesn't oversee supplement testing, so manufacturers do not need to prove products are effective.