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The brain is a product of its complex and multi-million year history of solving the problems of survival for its host, you, in an ever-changing environment. Overall, your brain is fairly fast but not too efficient, which is probably why so many of us utilize stimulants such as coffee and nicotine to perform tasks more efficiently. Thus far, no one has been able to design a therapy that can make a person truly smarter.

The post A magical elixir for the mind appeared first on OUPblog.

Over the past forty years, many of my students have shared their personal experiences with hallucinogenic drugs. They are typically more fascinated, than frightened, by the experience. About sixty years ago the scientist C.H.W. Horne commented that "It is remarkable that one characteristic which seems to separate man from the allegedly lower animals is a recurring desire to escape from reality.”

The post What 4,000 years of hallucinations have taught us about our brain appeared first on OUPblog.

Our brain lives in a symbiotic relationship with the bugs in our gut. Whatever we eat, they eat. In return, they help our brain function optimally in a variety of ways. During the past few years, it has become increasingly apparent that in the absence of bacteria humans would never have evolved to our current level of cognitive performance. Our brains are profoundly dependent upon a wide range of chemicals produced by these gut bugs.

The post How do gut bugs affect brain health? appeared first on OUPblog.

I am often asked whether eating particular foods can enhance mood and treat the symptoms of depression. With very few exceptions, the answer is no. In contrast, our mood can be easily depressed by our diet. Why? For adults, the brain responds primarily to deficits, not surpluses, in the diet.

The post Can your diet make you feel depressed? appeared first on OUPblog.

Considerable evidence has linked an unhealthy diet to obesity, metabolic syndrome, diabetes and cancer. We now understand how chronic obesity ages us and then underlies the foundation of our death. Furthermore, obesity leads to body-wide chronic inflammation that predisposes us to depression and dementia. However, these are all the long-term consequences of our diet upon our body and brain.

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Does coffee enhance marijuana? A study published recently in the Journal of Neuroscience (Vol 34 (19):6480-6484, 2014) by neuroscientists from the Integrative Neurobiology Section of the National Institute on Drug Abuse, a branch of the National Institutes of Health, has finally provided a definitive answer: Yes, No, and it depends.

The post The role of marijuana in your coffee addiction appeared first on OUPblog.

Can smoking marijuana prevent the memory loss associated with normal aging or Alzheimer’s disease? This is a question that I have been investigating for the past ten years. The concept of medical marijuana is not a new one. A Chinese pharmacy book, written about 2737 BCE, was probably the first to mention its use as a medicine for the treatment of gout, rheumatism, malaria, constipation, and (ironically) absent-mindedness.

The post Can marijuana prevent memory decline? appeared first on OUPblog.

Caffeine is the world’s most commonly abused brain stimulant. Daily caffeine consumption by adolescents (ages 9-17 years) has been rapidly increasing most often in the form of soda, energy drinks, and coffee. A few years ago, a pair of studies documented that caffeine consumption in young adults directly correlated with increased illicit drug use and generally […]

The post Is caffeine a gateway drug to cocaine? appeared first on OUPblog.

Everyone knows that aerobic exercise is good for the body, but is it always as good for brain? Furthermore, is exercise better than eating lots of chocolate for the aging brain? A recent study published in the journal Nature Neuroscience by a group of scientists from Columbia University and NYU gave a large daily dose […]

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Does marijuana produce an amotivational syndrome? Whether the amotivational syndrome exists or not is still controversial; there are still too few poorly controlled small studies that don't allow a definitive answer. Most people who use marijuana don't develop this syndrome.

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