Good Stuff To Know March 2020

New insight into how cannabidiol takes effect in the brains of people with psychosis

Researchers have shown that cannabidiol (CBD) alters brain activity in people with psychosis during memory tasks, making it more similar to the activation seen in people without psychosis during the same tasks.

Key to beating colorectal cancer hiding in plain sight?

Colorectal cancer, one of the most common cancers in the developed world, is intrinsically resistant to many drug therapies. In an attempt to identify novel treatment strategies, researchers examined the contribution of serine racemase (SRR) to colorectal cancer metabolism. The researchers showed that SRR is required for cancer cell proliferation and that inhibition of SRR in mice halted tumor progression, paving the way for future drug development.

Living longer is important, but those years need to be healthy ones

New data show heart disease and stroke deaths continue to decline, but that trend has slowed significantly in recent years. Further discouraging is that more people are living in poor health, beginning at a younger age, as a direct result of risk factors that contribute to these leading causes of death worldwide.

On the menu: Study says dining out is a recipe for unhealthy eating for most Americans

Study finds most restaurant meals eaten by Americans are of poor nutritional quality; minimal changes over 14 years.

Handheld 3D skin printer demonstrates accelerated healing of large, severe burns

Researchers develop a skin printer that works like a paint roller, depositing bio ink that speeds up wound healing. A new handheld 3D printer can deposit sheets of skin to cover large burn wounds – and its ‘bio ink’ can accelerate the healing process. The device covers wounds with a uniform sheet of biomaterial, stripe by stripe.

High-tech printing may help eliminate painful shots

4D printing creates tiny needles inspired by parasites that could replace hypodermic needles. Painful hypodermic needles may not be needed in the future to give shots, inject drugs and get blood samples. With 4D printing, engineers have created tiny needles that mimic parasites that attach to tissues and could replace hypodermic needles, according to a new study.

Portable lab you plug into your phone can diagnose illnesses like coronavirus

Engineers have created a tiny portable lab that plugs into your phone, connecting it automatically to your doctor through a custom app. The lab the size of a credit card can diagnose infectious diseases such as coronavirus, malaria, HIV or Lyme disease or countless other health conditions such as depression and anxiety.

Experimental fingerprint test can distinguish between those who have taken or handled cocaine

An experimental fingerprint detection approach can identify traces of cocaine on human skin, even after someone has washed their hands — and the test is also smart enough to tell whether an individual has actually consumed the class A drug, or simply handled it.

Study reveals global breast size dissatisfaction

A new global study has found that the majority of women are unhappy with the size of their breasts — a finding that has important public health implications.

How social media makes breakups that much worse

Even those who use Facebook features like unfriending, unfollowing, blocking and Take a Break still experience troubling encounters with ex-partners online, a new study shows.

Vaccine misinformation and social media

People who rely on social media for information were more likely to be misinformed about vaccines than those who rely on traditional media, according to a new study. The study, based on surveys of nearly 2,500 US adults, found that up to 20% of respondents were at least somewhat misinformed about vaccines.

Western diet rich in fat and sugar linked to skin inflammation

Dietary components, rather than obesity itself, may lead to skin inflammation and the development of psoriasis, a study has found.

Stress in small children separated from their parents may alter genes

Several studies show that small children cared for outside the home, especially in poor quality care and for 30 or more hours per week, have higher levels of cortisol than children at home.

How too much fluoride causes defects in tooth enamel

Exposing teeth to excessive fluoride alters calcium signaling, mitochondrial function, and gene expression in the cells forming tooth enamel — a novel explanation for how dental fluorosis, a condition caused by overexposure to fluoride during childhood, arises.

A promising new strategy to help broken bones heal faster

To improve how broken bones heal in people with diabetes, researchers are leading work to develop an affordable oral therapy — grown in plants.

New tech takes radiation out of cancer screening

Researchers have developed a new, inexpensive technology that could save lives and money by routinely screening women for breast cancer without exposure to radiation. The system uses harmless microwaves and artificial intelligence (AI) software to detect even small, early-stage tumors within minutes.

Could this plaque identifying toothpaste prevent a heart attack or stroke?

For decades, researchers have suggested a link between oral health and inflammatory diseases affecting the entire body — in particular, heart attacks and strokes. Results of a randomized pilot trial of Plaque HD®, the first toothpaste that identifies plaque so that it can be removed with directed brushing, showed that it produced a statistically significant reduction in C-reactive protein, a sensitive marker for future risks of heart attacks and strokes, among those with elevations at baseline.

Vision rehab treatment effective for stroke and injury-related blindness

Jose Romano, Chief of the Stroke Division at the University of Miami Miller School of Medicine, co-authored a recently published international study that shows that visual rehabilitation is effective for patients who have suffered vision loss related to stroke or traumatic brain injury.

New study associates intake of dairy milk with greater risk of breast cancer

Evidence suggests consistently drinking as little as one cup per day may increase the rate of breast cancer up to 50%

 

 

 

 

 

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