Health

Are ultra-processed foods harmful? Experts weigh the evidence

Dietary guidelines form the basis for nutrition advice and regulations around the world. While there is strong scientific consensus around most existing guidelines, one question has recently stirred debate: Should consumers ...

Vaccination

US experts wrestle with how to update COVID-19 vaccines

More than two years into the COVID-19 pandemic, U.S. health officials are beginning to grapple with how to keep the vaccines updated to best protect Americans from the ever-changing coronavirus.

Health

Vitamin K shows evidence of brain benefits in rats

In a new study conducted in rats, scientists report evidence that vitamin K could help protect against aging-related cognitive declines associated with Alzheimer's disease and other forms of dementia.

Neuroscience

Autism-associated brain differences can be observed in the womb

A new study using prenatal brain scans revealed significant differences in brain structures at around 25 weeks' gestation between children who were later diagnosed with ASD and those who were not. The study adds to mounting ...

Diseases, Conditions, Syndromes

Scientists uncover why long COVID can cause pain

A new animal study has provided important insights into how COVID-19 SARS-CoV-2—the virus responsible for COVID-19—can lead to long-term pain. The new findings also point to a potential therapy for COVID-related pain.

Medications

Animal study shows safety of using CBD and THC with opioids

Findings from a new animal study suggest that cannabidiol (CBD) and tetrahydrocannabinol (THC) might be safe for use with opioid pain relievers. Although more studies are needed, the results suggest that these compounds might ...

page 12 from 33