Health & Wellness
Why Your Pupils Get Bigger When Something Surprises You
When you suddenly hear unexpected news or see something you did not expect, your pupils often become larger.
Most people never notice this tiny change,...
3 Midlife Habits Linked to 13 Extra Years Without Dementia
Keeping your blood pressure in a healthy range, avoiding diabetes and not smoking during middle age may do much more than protect your heart.
A...
Why Drought Can Actually Make Some Diseases More Dangerous
Drought might seem like bad news for diseases that depend on water.
After all, if lakes, ponds and wetlands shrink or disappear, parasites that need...
Brain Stimulation May Ease Hidden Parkinson’s Symptoms
Parkinson’s disease is best known for movement problems such as shaking, stiff muscles, and slow movement.
But many people with the disease also live with...
One Injection Could Keep Arthritis Drugs in the Knee for Weeks
Osteoarthritis can turn simple activities such as walking, climbing stairs, or getting out of a chair into painful tasks.
Treatments injected directly into an affected...
PSA May Show Who Survives Advanced Prostate Cancer
Doctors often use a blood test called prostate-specific antigen, or PSA, to follow prostate cancer.
When treatment works, PSA usually falls, but doctors still need...
Later-Life Estrogen Use Linked to Lower Dementia Risk
A large study has found an unexpected link between estrogen-only hormone therapy used later in life and a lower likelihood of dementia.
Women who had...
Gut Bacteria Chemical May Raise Alzheimer’s Risk
Scientists have found a new clue linking the gut to the brain.
A chemical made by certain intestinal bacteria may increase the risk of Alzheimer’s...
Weight-Loss Hormone May Also Protect Liver Health
A hormone already known for reducing appetite and helping with weight loss may have another important job.
Researchers at McMaster University have discovered that GDF15...
Broccoli Compound Offers Hope for Rare Nerve Disease
An ingredient naturally found in broccoli may one day help treat a rare inherited disease that slowly damages the nervous system.
Researchers at Swinburne University...
Cannabis Use May Change Heart Rhythm Unexpectedly
A new study has produced a surprising result about cannabis and the heart.
People who regularly used cannabis had about 9% fewer premature heartbeats on...
New Blood Test Could Reveal How Far Alzheimer’s Has Progressed
Alzheimer’s disease begins changing the brain many years before memory problems become obvious.
Scientists can now detect some of these hidden changes with blood tests,...
Two Types of Exercise May Offer Stronger Disease Protection
Walking, cycling and other heart-pumping activities are well known for supporting good health.
New Australian research suggests that adding strength exercises may provide even greater...
Study Finds a Big Cause of Severe Inflammation
Scientists have identified a rare genetic disease that can cause serious inflammation of blood vessels and scarring in the liver from very early in...
Brain Injury Deaths Hit Some Americans Much Harder
Traumatic brain injuries remain a major cause of death in the United States, but the risk is far from equal across the population.
A large...
Week's Top
Brain Health
3 Midlife Habits Linked to 13 Extra Years Without Dementia
Keeping your blood pressure in a healthy range, avoiding diabetes and not smoking during middle age may do much more than protect your heart.
A...
Later-Life Estrogen Use Linked to Lower Dementia Risk
A large study has found an unexpected link between estrogen-only hormone therapy used later in life and a lower likelihood of dementia.
Women who had...
Gut Bacteria Chemical May Raise Alzheimer’s Risk
Scientists have found a new clue linking the gut to the brain.
A chemical made by certain intestinal bacteria may increase the risk of Alzheimer’s...
New Blood Test Could Reveal How Far Alzheimer’s Has Progressed
Alzheimer’s disease begins changing the brain many years before memory problems become obvious.
Scientists can now detect some of these hidden changes with blood tests,...
Your Sleeping Brain Could Reveal Future Dementia Risk
Dementia affects millions of families around the world and becomes more common as people grow older.
Doctors have effective ways to diagnose dementia after memory...