Health

A recent paper describes how a group of scientists painted zebra stripes on cows. The authors conclude that this unusual method might help protect livestock from biting flies and, consequently, help reduce the use of pesticides. Why do zebras have stripes? Rudyard Kipling’s Just So Stories inform us that the …

Although the role of “good” viruses in human health is still relatively mysterious, we are slowly unraveling the importance of our viral visitors. In this special feature, we introduce a neglected section of the microbiome — the virome. The role of bacteria and our microbiome in health and disease is …

As cannabis edibles become legal in an increasing number of countries, medical experts are warning people about the possible health risks that these may pose to consumers, as well as their family members. The use of cannabis — for medical and, sometimes, recreational purposes — is becoming legal in an …

A recent study has concluded that exposure to a common pesticide increases the risk of all-cause mortality and cardiovascular mortality. Although the study has limitations, its authors call for urgent follow-up. The study focused on a class of pesticides called pyrethroids. People use these chemicals in agriculture and for residential …

In the early stages, shingles can produce an extensive range of signs and symptoms. These vary from very mild skin irritation and pain to fever and other symptoms of severe illness. Until a person develops additional shingles symptoms, they may not realize that this condition is causing their early symptoms. …

Pesticides are chemicals that prevent insects, weeds, and fungi from damaging crops. Farmers use them to increase the amount of crops they are able to produce. The United States government tests and regulates pesticides. Testing produce ensures that levels are low enough to not pose a risk to human health. …

A transjugular intrahepatic portosystemic shunt (TIPS) is a minimally invasive procedure that doctors use to treat portal vein hypertension and other complications of advanced liver disease. As well as being less invasive than traditional bypass surgery, the TIPS procedure carries fewer risks. While a TIPS procedure can help reduce the …

A stye, which a doctor might call a hordeolum, is a bump that develops on the eyelid or at the base of the eyelashes. A bacterial infection is the cause of most styes. The majority of styes will disappear on their own, with or without treatment, within 1 or 2 …

Urinary retention is difficulty completely emptying the bladder. People with urinary retention may need to urinate very frequently, feel the urge to urinate again immediately after using the bathroom, or experience incontinence. Sometimes a chronic issue, such as a pelvic floor or prostate problem, causes urinary retention. Acute issues, such …

Dehydration can cause headaches and several physiological issues, and older adults are most at risk of experiencing it. Does it also affect cognitive function, however? And might overhydration also affect mental performance? Share on PinterestRecent research set out to reveal whether or not hydration levels can affect cognitive performance in …