Health & Medicine
- Chemistry
Changing toothpastes? Change your toothbrush
Scientists have found that toothbrush bristles absorb triclosan, then release the potentially toxic chemical when users switch toothpastes.
- Health & Medicine
Scientists Say: Epidermis
The epidermis is the outer layer of your skin. It helps protect you from dangerous things in the environment, and helps control how much water evaporates from your body.
- Health & Medicine
Long-lasting flu vaccine could replace yearly shots
Researchers have developed a single vaccine that protects mice from many types of flu. Such a development could lead to where people only day might no longer need a yearly flu shot.
- Health & Medicine
Analyze This: Flu vaccine’s protection varies
Getting a flu shot every year is an important way to protect yourself and those around you — even if the vaccine isn’t 100 percent effective.
- Microbes
Scientists Say: Microbiome
You’ve got company. Every animal and plant has microscopic organisms living on and in them. These include bacteria, protists, archaea, fungi and viruses.
- Health & Medicine
New treatment could calm temperature-sensitive teeth
Dentists aren’t happy with today’s treatments for sensitive teeth. Sand-like nanoparticles carrying green tea extract could bring longer pain relief.
- Health & Medicine
Raw cookie dough’s flour could make you really sick
It’s not just the eggs in cookie dough that can pose food-poisoning risks. Even flour can sicken people if it is eaten raw.
- Brain
Trading smartphone time for sleep? Your loss
A new study shows more and more teenagers are hanging out on devices when they should be catching ZZZs, putting their health at risk.
- Health & Medicine
High-nicotine e-cigs up chance teen will become a smoker
New study links vaping high levels of nicotine to greater likelihood teens will vape — and smoke — six months later.
- Life
Doctors repair skin of boy dying from ‘butterfly’ disease
Researchers fixed a genetic defect, then replaced about 80 percent of a child’s skin. This essentially cured the boy’s life-threatening disease.
- Chemistry
Scientists Say: Amino Acid
Amino acids are small molecules that make up proteins and serve as messengers in our cells.
- Health & Medicine
Scientists Say: Vestigial
This adjective is used to describe something — like a body part or organ — that doesn’t have a function. Often it is smaller or less developed than the functional version in another species.
