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Cannabis use exerts harmful effects on brain tissue

This study provides new evidence of exposure-related structural abnormalities in the hippocampus and amygdala in long-term heavy cannabis users. Heavy daily cannabis use across protracted periods exerts harmful effects on brain tissue and mental health. – Long-term, heavy cannabis use may be associated with structural abnormalities in areas of the brain known as the hippocampus and amygdala, according to a report in the June issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Stem cell therapy may prove valuable in paralysis

An Australian man who was paralysed by a rugby injury has reportedly made dramatic steps towards recovery after receiving injections of embryonic stem cells from an Indian doctor Geeta Shroff in New Delhi. – An amazing recovery noticed in an Australian Perry Cross who is quadriplegic, after regular injections of embryonic stem cells. Perry Cross was a rugby player and he got the paralysis of all his limbs in 1994 when he was 19 years old. Since then he was on ventilator to breath.

Preterm babies could benefit from skin-to-skin cuddling

Research published in the open access journal BMC Pediatrics suggests that very preterm babies, born between 28 and 31 weeks, could benefit from skin-to-skin cuddling with their mother before and during painful procedures such as a heel lance. – Preterm babies, born between 28 and 31 weeks, could benefit from skin-to-skin cuddling with their mother before and during painful procedures such as a heel lance, reported in a recent study.

Therapeutic cloning may treat Parkinson’s disease

Researchers showed that therapeutic cloning or SCNT has been successfully used to treat disease in the same subjects from whom the initial cells were derived. – Research led by investigators at Memorial Sloan-Kettering Cancer Center (MSKCC) has shown that therapeutic cloning, also known as somatic-cell nuclear transfer (SCNT), can be used to treat Parkinson’s disease in mice.

Plastic surgeons using laser for wrinkle removal, acne scarring, tattoo removal

Cosmetic surgeons are starting to use a new generation of laser that goes deeper than standard lasers, reducing wrinkles and tightening the skin. – UT Southwestern Medical Center plastic surgeons are among a handful in the US deploying a new type of laser that goes deeper into the skin to help reduce wrinkles, tighten surface structures and treat pigmentation differences.

Corneal transplant success depends on donor’s health

Corneal grafts with eye tissue obtained from donors dying in the hospital or with cancer may have an increased risk of postsurgical endophthalmitis, possibly due to donor-to-host microbial transmission. Together with donor screening and processing, improvements in microbiological control may reduce infection associated with corneal transplant. – Corneal grafts obtained from donors dying in the hospital or with cancer may be associated with an increased risk of infection for the recipient, according to a report in the February issue of Archives of Ophthalmology, one of the JAMA/Archives journals.

Bright light therapy eases bipolar depression

Bright light therapy can ease bipolar depression in some patients, according to a study published in the journal Bipolar Disorders. – Bright light therapy can ease bipolar depression in some patients, according to a study published in the journal Bipolar Disorders. Researchers from the University of Pittsburgh School of Medicine’s Western Psychiatric Institute and Clinic studied nine women with bipolar disorder to examine the effects of light therapy in the morning or at midday on mood symptoms.

Happily married women are less stressful

Here’s a novel idea for unwinding after a stressful day at the office: Find a happy marriage. That’s the suggestion from a new UCLA study that tracked levels of cortisol, a key stress hormone, among 30 Los Angeles married couples. – Happily married women are less stressful with better mental health, revealed by UCLA researchers. They tracked levels of cortisol, a key stress hormone, among 30 Los Angeles married couples.

Why some young women are at greater risk of developing anorexia nervosa

Young women with past anorexia nervosa show vastly different patterns of brain activity compared to similar women without the eating disorder.
– Even after more than a year of maintaining a normalized body weight, young women who recovered from anorexia nervosa show vastly different patterns of brain activity compared to similar women without the eating disorder, Walter H. Kaye, M.D., professor of psychiatry, University of Pittsburgh School of Medicine, and colleagues report in the December issue of the American Journal of Psychiatry.