Stroke Archive

While the FDA rules for blood donation were revised twice in the last decade, one group — men who have sex with men — continued to be turned away from donating. Now new, evidence-based FDA rules will focus on individual risk rather than groupwide restrictions.

While the cause of fainting often is something minor, fainting also can be a sign of a serious underlying medical problem.

Ignoring the warning signs of a ministroke can lead to a major stroke at a later time. People should be evaluated right away for symptoms such as speech and vision problems or weakness in an arm or leg.

Headaches can have many triggers from allergies to stress, or even hunger. Understanding headache triggers can help you avoid one in the future. Here's a look at the most common triggers for each kind of headache.

People are considered to have resistant hypertension if their blood pressure remains at or above 130/80 millimeters of mercury despite taking the highest dosage of at least three different blood pressure medications and following healthy habits. Many times, it helps to explore other factors that could cause blood pressure to rise. These include failure to take medication correctly, white-coat syndrome, sleep apnea, alcohol intake, and use of over-the-counter pain remedies.