In western industrialized nations approximately 25% of all deaths are caused directly or indirectly by the consumption of psychotropic substances. Substance-related addictions therefore constitute the most frequently occurring psychiatric disease category (McGinnis and Foege, 1993). The etiology of addiction due to psychoactive substances is highly multi-factorial. These factors being social an...

A new study using transcranial direct current stimulation shows that modulating parietal cortex activity during the learning of abstract numerical material can enhance numerical competency for up to six months.

Thyroid stimulating hormone receptor (TSHR) plays a pivotal role in thyroid hormone metabolism. It is a major controller of thyroid cell function and growth. Mutations in TSHR may lead to several thyroid diseases, most commonly hyperthyroidism. Although its genetic and epigenetic alterations do not directly lead to carcinogenesis, it has a crucial role in tumor growth, which is initiated by sev...