Sugar Craving and Diabetes Linked to Gut Bacteria

We tend to think of craving as a psychological phenomenon triggered by habits, desires, and emotional swings, but new research shows that a wide range of psychological conditions are generated by the community of bacteria thriving in our gut. These microbes release substances that act as hormones  or neurotransmitters to affect mental function. A new…

Read More

The Forgotten History of the Discovery of Human Brainwaves

The centennial of the discovery of brain waves in humans exposes a chilling tale involving Nazis, war between Russia and Ukraine, suicide and the vicissitudes of history. German psychiatrist Hans Berger, the firs to record human brain waves in 1924. This year is the centennial of the discovery of human brain waves. Few people know…

Read More

Psychological Trauma in the Olympics

Every measure is taken to protect athletes from physical injury in competitive sports, while protection from mental injury is neglected.   Yet athletes face extraordinary risks of mental trauma in competition. We insist upon helmets and other safety gear and impose stringent rules enforced by referees to protect athletes from physical injury, but as the recent…

Read More

How the Tremendous Boost in Brain Power Arose Suddenly in Evolution–The Mystery of Myelin

 “Why, if species have descended from other species by fine gradations, do we not everywhere see innumerable transitional forms?” — Charles Darwin in The Origin of Species.     Charles Darwin proposed that evolution is driven by gradual variations in organisms that have survival advantage in a changing environment, but he recognized that new traits often…

Read More

Big Mystery About the Little Brain

With all the stunning advances in neuroscience it may come as a surprise that a major part of the brain is a mystery to scientists.  It is not a small oversight.  This peculiar brain lobe contains ¾ of all the brain’s neurons!  Astonishingly, its cellular structure is unlike anywhere else in the brain.  The neurons…

Read More

Why the ‘Havana Syndrome’ happened

I was invited to write a commentary, “Why the Havana Syndrome Happened,” which was just published in the International Journal of Social Psychiatry.  This syndrome refers to brain injury allegedly caused by a clandestine energy beam weapon employed by unknown agents who are hostile to the United States and its allies.   The saga began…

Read More

How Early Trauma Can Pass Through Generations

Is it possible that psychological trauma that your grandparents suffered long before you were born could have been passed down through generations to reappear as mental health issues that afflict you? New experimental research by a team of investigators in Canada and Italy suggests the answer is yes. Mental health problems can be a legacy…

Read More

Why Your Tongue Sticks Out When You Thread a Needle

Ever wonder why your tongue sticks out when you thread a needle?  To find out why (and understand rock singer Joe Cocker’s wild gesticulations), see my article in Quanta Magazine   One day, while threading a needle to sew a button, I noticed that my tongue was sticking out. The same thing happened later, as…

Read More

COVID-19 School Closures Harmed Children’s Mental Health

There has been much conjecture about possible detrimental long-term consequences of school closures on young children and adolescents, but now a new study published in the journal Scientific Reports provides convincing evidence that the mental health of school children was impaired by school closures during the pandemic. The study surveyed 907 adolescents and their parents in…

Read More