There is debate over whether vigorous physical activity is a risk factor for amyotrophic lateral sclerosis (ALS). A new study suggests it depends on whether that vigorous activity you get over your lifetime happens on the job or during leisure time. The research is published in the October 20, 2021,…
What Does It Mean When Your Left Ear Hurts
Earaches are common for children and adults, with pain typically affecting one ear more than the other. If you’ve noticed that your left ear hurts, it’s important to determine the cause of the pain to ensure it’s being treated properly. Numerous possibilities exist in terms of what can create this…
What Is Eye Yoga And How Does It Affect Your Health?
Eye yoga, one of the latest wellness trends, is taking the world by storm. Proponents say that it relieves eyestrain, improves vision, and wards off stress, but can you trust these claims? While there’s no evidence that eye yoga can help with astigmatism and other vision problems, it has several…
How does COVID-19 affect patients with cancer? Largest U.S. study shares first results
In the largest study of its kind to date, researchers analyzing national data from more than 63,000 patients with cancer and a positive COVID-19 diagnosis report an increased risk of death among those who were older, male, had a higher number of comorbidities, and had hematologic cancers and recent chemotherapy…
What Does It Really Mean When Your Toes Itch?
What does it mean when you have itchy toes? Sure, we’ve all heard the whole “itchy feet” idiom that means you want to go traveling, or at least move on from some kind of situation in your life. Does an itchy toe count for this, or do toes have a…
What Does It Mean When Your Ear Itches?
Any itchy body part gets frustrating pretty quickly, but is there anything more annoying than an itchy ear in particular? Even a slight itch can be incredibly distracting, and it’s worse when you don’t know why it’s itching. It’s easy for our minds to travel to the worst possible conclusion,…
Why does heart scarring cause abnormal rhythms in some people but not others?
Scientists have shed light on why some people who have a stroke do not also have abnormal heart rhythms, even though their hearts contain similar scar tissue. Their results, published today in eLife, could help identify the best treatments for people who might be at risk of recurrent stroke, new…
How long does protection from COVID-19 vaccines last?
How long does protection from COVID-19 vaccines last? Experts don’t know yet because they’re still studying vaccinated people to see when protection might wear off. How well the vaccines work against emerging variants will also determine if, when and how often additional shots might be needed. “We only have information…
Can vaccinated people still spread COVID-19? How long does immunity last? Here’s what science knows now
Six times over the course of a year, some select COVID-19 vaccine recipients at the University of Pennsylvania are rolling up their sleeves for a different kind of needle: one that draws blood. At each session, 10 vials of scarlet fluid are collected, bar-coded, and archived in laboratory freezers. Some…
Does Chris Lane Want Lauren Bushnell to Have a Boy or Girl? He Says …
Country cutie on the way! Chris Lane is over the moon as he and pregnant Lauren Bushnell await the arrival of their first child — and his fingers are crossed for a mini-me. ‘Bachelor’ Baby Bumps! See Reality Stars’ Pregnancy Pics “We’re going to find out [the sex]. We don’t…
In vitro fertilization does not increase the risk of ovarian cancer
A new paper in JNCI: Journal of the National Cancer Institute, published by Oxford University Press, indicates that receiving assisted reproductive technology does not increase the risk women have for developing ovarian cancer. Previous research indicated that women who use assisted reproductive technology in order to have a successful pregnancy…