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Cardiovascular
Consumer Health: Check your sunscreen’s expiration date
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Does sunscreen expire?
Is that leftover sunscreen from last summer still OK to use? Maybe. Sunscreens are required by the Food and Drug Administration to remain at their original strengths for at least three years, and some products include an expiration date indicating when they're no longer effective. This means that you can use leftover sunscreen from one year to the next, up to that expiration date. Keep in mind, though, that if you use sunscreen as recommended — generously and frequently — a container shouldn't last long. Learn more from Dr. Lawrence Gibson, a Mayo Clinic dermatologist.
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Sleep deprivation and high blood pressure
People who sleep five hours or less per night may be at higher risk of developing high blood pressure or worsening blood pressure that already is high. There's also an increased risk of high blood pressure for people who sleep between five and six hours per night. Learn more from Dr. Sheldon Sheps, an emeritus Mayo Clinic hypertension and peripheral vascular diseases specialist.
Vegetable juice: As good as whole vegetables?
Vegetable juice can be an easy way to increase the amount of vegetables in your diet. But whole vegetables have more health benefits than vegetable juice. Learn more from Katherine Zeratsky, a Mayo Clinic registered dietitian nutritionist.
Headaches: Reduce stress to prevent the pain
Headaches are more likely to occur when you're stressed. Stress is a common trigger of tension-type headaches and migraines, and can trigger other types of headaches or make them worse. You can't avoid daily stress. But you can keep stress under control, which can help prevent headaches. Try these steps to manage your stress and prevent the pain.
Does atrial fibrillation run in families?
Atrial fibrillation is an irregular and often rapid heart rate that can increase your risk of strokes, heart failure and other heart-related complications. Atrial fibrillation that is inherited is called familial atrial fibrillation. It has been associated with changes in certain genes in a small number of cases. Although the exact incidence of familial atrial fibrillation is unknown, recent studies suggest that up to 30% of people with atrial fibrillation may have a relative with the condition. Learn more from Dr. Rekha Mankad, a Mayo Clinic cardiologist.
