Category: 4. Health

What makes you happy? Perhaps a good night’s sleep, or a wonderful meal with friends?

I am the director of the Happiness Lab at Drexel University, where I also teach a course on happiness. The Happiness Lab is a think tank that investigates the ingredients that contribute to people’s happiness.

Often, my students ask me something along the lines of, “Dr. Z, tell us one thing that will make us happier.”

As a first step, I advise them to spend more time outside.

Achieving…

Programs delivering fluoride varnish in schools significantly reduce cavities in children. That is a key finding of our recently published study in the American Journal of Preventive Medicine.

Fluoride varnish is a liquid that is applied to the teeth by a trained provider to reduce cavities. It does not require special dental devices and can be applied quickly in various settings.

Our research team found that school fluoride varnish programs, implemented primarily in communities with…

The caregiving industry stands at a critical crossroads. While millions of families grapple daily with the emotional and logistical weight of caregiving, employers are only beginning to recognize the toll it takes on their workforce. Caregiving is not just a family issue, it’s a silent but looming crisis for the workplace. And with the U.S. population rapidly aging, this challenge is set to grow…

The pharmaceutical industry is experiencing its own “DeepSeek moment,” according to science writer Hiya Jain. Just as the upstart AI breakthrough caught Silicon Valley off-guard, China is emerging as a formidable force in drug development, fundamentally altering the global landscape of medical innovation.

The numbers tell a remarkable story of transformation. In 2017, there were just over 600 clinical trials initiated in China. By 2023, that number was…

About three quarters of babies born in the United States may not have enough friendly microbes in their guts to protect against developing allergies, asthma and eczema, a new study suggests.

In a large study of more than 400 babies, 24 percent had no detectable levels of Bifidobacterium, gut microbes that digest sugars in breast milk, researchers report June 24 in Communications Biology. “Nondetectable levels of the most fundamental family type of bacteria for the infant was…

Findings on the development and use of the AI tool, called AAnet, have today been published in Cancer Discovery, a journal of the American Association for Cancer Research.

Not all tumor cells the same

Tumors aren’t made up of just one cell…

Estrogen deficiency during and after menopause may reduce the life…

Dementia, a condition that slowly makes it harder for people to remember things and think clearly, occurs when brain cells are damaged and their connections stop working properly. This damage, which worsens over time, can be caused by various modifiable factors, including obesity, T2D,…

The new…