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Why You Can Sleep After Coffee but Still Wake Up Tired
Many coffee drinkers believe they know whether caffeine affects them. If they can drink a cup of coffee after dinner and still fall asleep...
Brain Exercises May Help Older Adults Handle Everyday Mental Challenges
For years, brain-training programs have advertised themselves as tools for improving memory, concentration, and overall brain health.
Millions of people have downloaded apps or completed...
Alcohol Linked to Higher Risk Across Multiple Cancers
Alcohol has long occupied a complicated place in discussions about health. Some headlines have suggested that moderate drinking might help protect the heart, while...
Long-Term Depression Drug Use May Not Be Beneficial
Antidepressants are among the most commonly prescribed medicines in many countries. Millions of people take them to help manage depression, anxiety, and related mental...
Air Pollution May Age Your Brain Faster Than Expected
Air pollution has long been linked to lung disease, heart problems, and early death. Now, researchers have found more evidence that the air people...
Widely Used Cancer Drugs Show Unexpected Health Risks
Cancer treatment has changed dramatically over the last decade. In the past, many patients received traditional chemotherapy that attacked both cancer cells and healthy...
Astronomers Discover Missing Red Dwarf Stars in Ancient Star Cluster
Astronomers studying an ancient star cluster have discovered a strange gap where certain stars should exist but do not.
The finding provides new clues about...
Could Surgery Affect the Your Memory and Thinking for Years?
Most people think of surgery as a challenge for the body. Recovery often involves healing wounds, rebuilding strength, managing pain, and regaining mobility. But...
Popular Weight-Loss Drug May Slow Biological Aging
Glucagon-like peptide-1 receptor agonists, often called GLP-1 drugs, have become some of the most talked-about medicines in the world.
These medications were first developed to...
Why Some Liver Disease Patients Lose More Muscle Than Others
For people living with advanced liver disease, the illness affects much more than the liver itself. One of the most serious complications is the...
High Pulse Pressure Could Mean Higher Dementia Risk
Dementia is one of the biggest health challenges facing aging populations around the world. It affects memory, thinking, behavior, and the ability to carry...
Millions of People May Have Hidden Kidney Disease Without Knowing It
Chronic kidney disease is becoming one of the world's biggest health challenges, yet many people have never heard of it until it reaches an...
Could Aspirin Help Detect Hidden Bladder Cancer Earlier?
Bladder cancer is one of the most common cancers affecting the urinary system. It begins in the tissues lining the bladder, the organ that...
Depression Drugs Provide Little Benefit Beyond 12 Months
For decades, antidepressants have been a cornerstone of treatment for depression and anxiety.
Doctors around the world prescribe these medications to help people manage emotional...
New Research Links Air Pollution to Memory Loss
Most people know that air pollution can make it harder to breathe. Many also know that it can increase the risk of heart disease...
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Editors Picks
Everything we thought we knew about dark energy could be wrong
For nearly 30 years, scientists have believed that a mysterious force called dark energy is causing the universe to expand faster and faster.
But a...
The Sun is changing and we don’t know why
Put your ear to the ground in the right place and you can hear a train coming from miles away.
Long before it appears on...
Scientists create humidity-activated device that reveals hidden images in seconds
Scientists at the University of California San Diego have created a new optical device that can reveal hidden images and change colors when exposed...
New MIT method could cut lithium costs in half while producing almost no waste
Lithium has become one of the world's most important minerals because it is a key ingredient in the rechargeable batteries that power electric vehicles,...
Sodium-ion batteries may challenge Tesla’s technology at a lower cost
A new study suggests that sodium-ion batteries, a newer type of rechargeable battery, could one day become a cheaper alternative to the lithium-ion batteries...