The answer may depend on whether you're a man or a woman
Caffeine, from coffee and tea, may lower the risk of death in women with diabetes, study finds
Four cups a day could reduce risk by 64 percent, study suggests
In animal studies, caffeine injections shortened recovery time
Drinking 3 or more cups of coffee a day may lower the risk of death, study finds.
Two large studies boost potential benefits of coffee, and one looked at consumption in all races
These beverages may help guard against fatty liver disease, early research suggests
A 10-minute climb can increase fitness and motivation, researcher says
Popular beverages also affect blood pressure for hours, small trial shows
Adding caffeine boost to alcohol could make a dangerous cocktail, study suggests
Most calories in coffee and tea come from what's added, researchers say
Does caffeine fight the systemic inflammation that causes chronic disease and aging?
In lab tests, caffeine blocked inflammatory response, but did not prove cause-and-effect
Drinking coffee may help prevent Metabolic Syndrome in women, study finds.
Researchers don't know if beverages keep you awake or lack of sleep prompts cravings
Study seeks to explain why some can enjoy a cup before bed and then sleep, while others can't
Study found both were linked to lower risk of leading cause of blindness
Stress test didn't show short-term changes after coffee drinking
Expert tips for preventing discoloration
Genes appear to influence how much caffeine you need, researchers find
Stimulant effect diminishes after days of insufficient sleep, study finds
The brew, in any form, might cut colon cancer risk; the more you drink, the lower the risk, study suggests
Couples' pre-pregnancy caffeine habits linked to miscarriage risk.
Behaviors prior to conception influence pregnancy loss
But the finding isn't reason enough to up your java intake, experts say
Is drinking tea good for your heart?
Coffee lovers don't appear to risk extra heartbeats
Study found those who consumed caffeine-laden drinks had higher blood sugar, insulin levels later
Caffeine intake dropped more than 75 percent after just one hour-long session, study found
Study looked at moderate amounts -- about one to two cups of coffee
Breastfeeding may help prevent common eye disease in preterm infants, study finds.
Regular java and decaf were linked to survival benefits in study
Cognitive-behavioral therapy may help adults with caffeine use disorder.
Just one energy drink may boost blood pressure and stress response in young adults, new study finds.
Researchers also found the beverage pushed blood pressure levels higher
Finds no link between beverage and increased odds of atrial fibrillation
And that could make you want to sleep later, say researchers, who see possible treatment for jet lag
But those who upped daily intake actually had higher odds for a precursor to dementia, researchers say
Study suggests caffeine may help maintain healthy blood flow and sexual function
Boston survey also found that 2.5 percent of 1-year-olds get a java jolt
One teaspoon of substance equivalent to about 25 cups of coffee
Studies link several cups daily with reduced odds for the disease
Kids shouldn't drink sugary, caffeinated beverages, researchers conclude
Women benefited from drinking about 4 cups daily, study suggests
Coffee may lower risk of most common cancer of female reproductive system, study finds.
Regular bedtime, plus limits on caffeine and electronics in the bedroom, all key
Could drinking coffee lower your risk for the most serious kind of skin cancer?
Researchers suggest caffeine might mitigate sun damage
Study finds more than 40 percent of emergency calls to U.S. poison control centers involve children under 6