In this experiment, PM2.5 and carbon monoxide levels in a room are tested before and after the lighting of a cigarette.

There are so many reasons to go window shopping.

And yet more reasons for a woman to go window shopping...

A Beijing Television segment on the types of masks to use during the COVID-19 epidemic.

In this Beijing Television segment on the types of masks to use during the COVID-19 epidemic, a guest explains the effectiveness of a disposable medical mask.

In this Beijing Television segment on the types of masks to use during the COVID-19 epidemic, a guest explains which masks should be used under which situations.

In this Beijing Television segment on the types of masks to use during the COVID-19 epidemic, a guest explains which masks are ineffective against COVID-19.

In this Beijing Television segment on the types of masks to use during the COVID-19 epidemic, a guest discusses what is dubbed "the selfish mask."

This Beijing Television segment introduces four categories of masks and situations where they're most useful.

Guests on this Beijing Television segment demonstrate how to put on masks properly.

Guests on this Beijing Television segment demonstrate how to remove and dispose of masks properly.

A guest on this Beijing Television segment explains under which situations you can or cannot reuse masks.

Annie recalls when she decided to begin her working life in Shanghai.

Explore Shanghai's exotic Former French Concession area and visit clothing boutiques with some unique and one-of-a-kind fashion items.

Experts explain what foods can help us keep warm in the winter and which may cause excessive heat.

A doctor from a health clinic tells how he would rather have patience think about preventative care than treat people who are already sick. The key to curing disease is our good habits.

Marissa is having problems in her life. A doctor explains.

This video explains the process and importance of methylation.

What kind of diet is most effective for those with anxiety?

Antioxidants and coenzymes are essential to our mental well-being.

What foods are helpful for overmethylation and undermethylation?

In this first of an interview series with a Chinese medicine expert, listen to her discuss the terminology used concerning Chinese, Western, and modern medicine in general.

In this second video in a series with a Chinese medicine expert, our interviewee goes on to discuss the history of medicine, her own experiences at the hospital as a child, and her move from the world of literature into Chinese medicine.

This video is a demonstration of acupoint selection.