Search Result For: seasonal affective disorder

Date: 2025/02/01 - 21:32

Frequent Cannabis Use May Damage Working Memory, Decision-Making Skills

New research shows that heavy lifetime use of cannabis — more than 1,000 times — is associated with reduced activity in areas of the brain involved in working memory. The study adds to existing research suggesting that frequent cannabis use may affect certain thinking skills.

A studio shot of a microscope examining human cells

Date: 2025/02/01 - 14:31

Could stopping NAD depletion be key to slowing down aging?

A new study explains how mitochondria act as “reservoirs” to store NAD for cells to use, which could help scientists come up with NAD-boosting therapies to combat aging and age-related diseases.

Date: 2025/02/01 - 01:00

Fate of Medicaid Uncertain During Trump's Freeze on Federal Grants

Medicaid is under review during the Trump administration's freeze on federal grants. Republican leaders are reportedly eyeing Medicaid as a major target in their plan to cut more than $5 trillion in federal spending over the next 10 years.

An older adult laying on a round rope swing at a playground, sleeping in the sun

Date: 2025/01/29 - 20:00

Taking longer to get to REM sleep could indicate Alzheimer's disease

A delay in getting to the rapid eye movement (REM) stage of sleep may be linked to Alzheimer's disease and related dementias, a new study indicates.

Date: 2025/01/27 - 20:31

ADHD linked to 'astonishing' reduction in life expectancy

The life expectancy of adults with attention-deficit and hyperactivity disorder (ADHD) is significantly shorter than that of peers without this condition, a large study warns.

Date: 2025/01/27 - 15:31

FDA-approved nasal spray for severe depression can lead to remission

The Food and Drug Administration (FDA) recently approved the nasal spray Spravato for the treatment of major depression in people who have not responded to at least two oral antidepressants.

ginger-haired woman in blue pyjamas waking up in a double bed

Date: 2025/01/25 - 11:00

How a good night's sleep may help us restrict bad memories

Disrupted sleep and sleep loss interferes with the brain's ability to filter out bad memories, which could contribute to a range of mental health conditions, such as anxiety, depression, and post-traumatic stress disorder (PTSD).

human silhouettes in swimming pool, seen from above

Date: 2025/01/22 - 20:31

Why are older women predisposed to osteoarthritis?

A drop in estradiol and progesterone levels after menopause could increase cartilage aging and degeneration, leading to osteoarthritis, a study in mice suggests.

Female walking on beach with trees in background

Date: 2025/01/22 - 00:32

GLP-1 Drugs Benefit Brain and Heart Health, but May Cause Kidney, GI Issues

A large study published in Nature Medicine reviewed the effects of GLP-1 drugs like Ozempic and Mounjaro on 175 different health outcomes. The findings show benefits for brain and heart health, but risks of developing gastrointestinal, kidney, and pancreatic issues.

A person holding a GLP-1 medication in the form of an injection

Date: 2025/01/21 - 20:31

GLP-1 drugs linked to lower dementia risk, higher risk of kidney, stomach issues

A new study compares the benefits and risks of taking GLP-1 medications for weight loss, including risks of dementia, addiction, heart disease, and gastrointestinal problems, among others.