Positive Psychology Archive

As more US states have legalized recreational cannabis or passed medical cannabis laws, public perception that cannabis is a harmless substance is growing. But its long-term benefits and risks remain unclear, and research has revealed consistently that heavy long-term cannabis use can affect cognition in midlife.

Climate anxiety is distress related to worries about how the effects of climate change. It's more likely to affect adolescents and young adults, leading to chronic stress, depression, anxiety, behavioral problems, and more. What can you do to manage climate anxiety in yourself or a young person in your life?

Compared with eating carbohydrates, eating protein—particularly protein from plants— was associated with lower odds of later developing cognitive declines, according to a Harvard study in the January 2022 issue of The American Journal of Clinical Nutrition.

Psychedelic drugs such as psilocybin (found in "magic mushrooms") and 5-MeO-DMT (a compound derived from toad venom) are being tested for treating cases of depression that don't respond to standard treatments. New depression approaches are needed since current treatments don't work in nearly half of patients. Hallucinogenics may change longstanding thought patterns or promote new connections in brain neurons. Benefits of psilocybin on mood appear to be long-lasting. FDA approval for psilocybin will likely take several more years.

Reaching menopause many years before the average age may be linked to a higher risk of developing dementia later in life.

A new study suggests a high-fiber diet may protect against dementia. In a group of about 3,700 older adults, those who consumed the most fiber (about 20 grams daily) had the lowest rates of dementia, and those who ate the least fiber (8 grams daily) had the highest rates.

People who struggle to remember names, details, or words during conversation are dealing with a phenomenon called "blocking," which is related to diminished memory recall. Addressing issues like stress, depression, an unhealthy diet, insomnia, lack of exercise, and prolonged isolation can improve recall. Otherwise, when blocking situations arise, people can try to incorporate cueing, a method that uses "hints" to help the brain better retrieve information.

Hiking continues to be one of the safest activities people can enjoy during COVID because it is done outside and away from confined group settings. The outdoor adventure also is one of the best exercises for both body and mind, as it can improve lower-body strength and endurance, increase balancing skills that can protect against falls, lower levels of stress and anxiety, and reduce the risk of depression.

News and social media are filled with disturbing stories and images. Anxiety about war, coming on top of two years of the pandemic, is hitting us particularly hard. The symptoms of war anxiety can be physical or mental; knowing what tools to use and how can help break the anxiety cycle.