Browsing: Psychopharmacology

The latest news about psychopharmacology and drug research

Speed and ecstasy associated with depression in teenagers

A five year study conducted with thousands of local teenagers by University of Montreal researchers reveals that those who used speed (meth/ampthetamine) or ecstasy (MDMA) at fifteen or sixteen years of age were significantly more likely to suffer elevated depressive symptoms the following year.

Study examines khat chewing in Yemeni culture

A new study conducted by Boston University School of Medicine (BUSM) researchers shows that a majority of medical students in Yemen believe that chewing the plant khat is harmful to one’s health but they would not advise their patients to quit.

How marijuana impairs memory

A major downside of the medical use of marijuana is the drug’s ill effects on working memory, the ability to transiently hold and process information for reasoning, comprehension and learning.

Alzheimer’s drugs may have adverse side effects

Alzheimer’s disease drugs now being tested in clinical trials may have potentially adverse side effects, according to new Northwestern Medicine research. A study with mice suggests the drugs could act like a bad electrician, causing neurons to be miswired and interfering with their ability to send messages to the brain.

Opioids erase memory traces of pain

A team of researchers at the MedUni Vienna’s Department of Neurophysiology (Centre for Brain Research) has discovered a previously unknown effect of opioids: the study, which has now been published in the highly respected magazine Science and was led by Ruth Drdla-Schutting and Jürgen Sandkühler, shows that opioids not only temporarily relieve pain, but at the right dose can also erase memory traces of pain in the spinal cord and therefore eliminate a key cause of chronic pain.

Scientists confirm tobacco use by ancient Mayans

Archaeologists examining late period Mayan containers have identified nicotine traces from a codex-style flask, revealing the first physical evidence of tobacco use by ancient Mayans.

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