MSD Manual Home

An online medical guide for the whole family. Page intended for residents outside the U.S. and Canada.

[MSD Manual Home @MSDManualHome]

The USDA confirms that the New World screwworm (NWS) fly has arrived in south Texas. The fly produces larvae that can cause a parasitic infestation in animals. Pets, livestock, and wild animals are vulnerable to infestation. Learn more: https://t.co/Vb9VM6G8aA

[MSD Manual Home @MSDManualHome]

Certain types of arrhythmias are due to a localized abnormal area in the heart’s electrical system. Destroying or removing that area (ablation) can sometimes eliminate the arrhythmia. Learn more: https://t.co/EJcZSsV5Z2

[MSD Manual Home @MSDManualHome]

A suspected hantavirus outbreak on a cruise ship has killed three people and sickened at least three others according to the World Health Organization. Hantavirus is a viral disease that is spread from rodents to people. Learn more: https://t.co/hKkS0rAbrd

[MSD Manual Home @MSDManualHome]

Ischemic optic neuropathy is damage of the optic nerve caused by a blockage of its blood supply. The only constant symptom is painless vision loss, which is usually sudden. Learn more: https://t.co/uFaVfM0e3w

[MSD Manual Home @MSDManualHome]

Got rough, raised bumps on your hands, feet, or knees? They might be warts. While most are painless and fade away, they can spread or stick around. Learn more about how to manage warts: https://t.co/Le2avH9cAI

[MSD Manual Home @MSDManualHome]

Winter storms can bring extreme cold, ice, snow, and power outages that create serious health and safety risks. Learn how to protect yourself and those around you when winter weather strikes: https://t.co/fDkNZCRHsX

[MSD Manual Home @MSDManualHome]

Angina is temporary chest pain or a sensation of pressure that occurs while the heart muscle is not receiving enough oxygen. Angina most typically occurs in response to exertion and is relieved by rest. Learn more: https://t.co/5AgSR9Gk1T

[MSD Manual Home @MSDManualHome]

Authorities generally recommend that about 30 grams of fiber be consumed daily. Learn why: https://t.co/MS2z1tzFjH

[MSD Manual Home @MSDManualHome]

To distinguish most flavors, the brain needs information about both smell and taste. Learn more: https://t.co/iInlknG6Tz

[MSD Manual Home @MSDManualHome]

Parkinson disease is the second most common degenerative disorder of the central nervous system after Alzheimer disease. Learn the first symptoms to watch for: https://t.co/xwvYsHzm3H

[MSD Manual Home @MSDManualHome]

Learn more about juvenile idiopathic arthritis (JIA): https://t.co/fm8T4OPRlf

[MSD Manual Home @MSDManualHome]

Brain injury after a person has been struck by lightning usually causes loss of consciousness. If brain damage is severe, coma may develop. Learn more: https://t.co/u4t64NcxRh

[MSD Manual Home @MSDManualHome]

Passed down from parent to child, Huntington disease an autosomal dominant disorder, meaning just one copy of the abnormal gene can cause the disease. Learn more: https://t.co/EBa9ncxp25

[MSD Manual Home @MSDManualHome]

Take time to get the facts about male reproductive health—from how it works to why it matters.
Learn more: https://t.co/Yc8E23kJjZ

[MSD Manual Home @MSDManualHome]

Trisomy 21, or Down syndrome, is usually caused by an extra copy of chromosome 21. It’s a genetic condition that affects development, but with early intervention and the right support, most children survive to adulthood. Learn more: https://t.co/atmIWNaItj

[MSD Manual Home @MSDManualHome]

Hemophilia is a hereditary bleeding disorder caused by several different gene abnormalities. People can bleed unexpectedly or after minor injuries, and it occurs almost exclusively in males. Learn more: https://t.co/IpSVysymha

[MSD Manual Home @MSDManualHome]

What causes genetic disorders? 🧬Watch this video to get an understanding of mutations, chromosome abnormalities, and more: https://t.co/8zM93MvLMh

[MSD Manual Home @MSDManualHome]

Body odor that is excessive or abnormal (bromhidrosis) is the result of the breakdown of sweat by bacteria and yeasts that normally live on the skin. Learn how to deal with it: https://t.co/OQ97AIB5Fp

[MSD Manual Home @MSDManualHome]

Nicotine is highly addictive when inhaled into the lungs. Click the link to learn more: https://t.co/j4raXzOi1v

[MSD Manual Home @MSDManualHome]

A small bulge in the groin or mild groin pain might not seem urgent but could be an inguinal hernia. Men’s Health Month is a reminder not to ignore the signs. For more information, visit: https://t.co/46iynyVvK6