-Does psychotherapy work?

-Three massive experiments tell us that some modern medicine must be useless or harmful

-Why are doctors biased towards more aggressive treatment and testing?

-Is acupuncture effective? Chiropractic? Naturopathy? Reiki?

-Freud's ideas about “penis envy” and the Oedipus complex

-Why was bloodletting practiced for 2000 years?

-Can electroconvulsive therapy treat depression?

-Things that can help people who are anxious or depressed

-Why have rates of transgender identification increased in adolescents?

-Why did anorexia become much more common starting in 1983?

-Why is depression more common in women?

-Is depression caused by low levels of serotonin?

-Is depression a disease?

-Why do most people with major depression have an anxiety disorder as well?

-Does telling people about PTSD make them more likely to develop PTSD?

-Puppy pregnancy syndrome: after being bit by a dog, people believe they are pregnant with puppies

This episode features:

-Why do liberals and conservatives hate each other?

-Are there hidden symbols in dreams?

-Can dreams predict the future?

-Can you learn while sleeping?

-Why do we sleep?

-Treatments for insomnia

-How to learn better

-How to accurately predict how long it will take to finish your Christmas shopping

This episode features:

-How often do people lie?

-Do we deceive ourselves?

-What happens when you disconnect the two hemispheres of the brain?

-Blindsight: some blind people can still use visual information to make decisions

-What is the most disliked personality trait?

-Why can't people admit when they're wrong?

-Why are most people overly optimistic?

-Why do most people think that they are better than the average person?

This episode features:

-How common are homicidal fantasies?

-Why are men overrepresented in high status professions?

-Why are men taller than women (on average)?

-Why are men strong?

-Why isn't everyone beautiful?

-Why isn't everyone smart?

-Why does mental illness exist?

-What is the purpose of romantic jealousy?

This episode features:

-How do humans detect cheaters?

-Can you tell how generous someone is by the way they look?

-What is the #1 rated most desirable trait in a long-term mate?

-What does Maury Povich teach us about human nature?

-Why is your mother's mother your nicest grandparent?

-Why do mothers invest more in their children compared to fathers?

-Why would somebody donate their kidney to a stranger?

-Are humans selfish?

This episode features:

-Do men have more sexual fantasies than women?

-Why are men attracted to younger women?

-Was homosexuality selected for by evolution?

-What are women attracted to?

-Why do pregnant women develop food aversions?

-Why do people like spicy food?

-Why do humans make art?

This episode features:

-Will teaching your child to play violin make them smarter?

-Do genes determine someone's personality?

-Do genes determine how smart someone is?

-Do genes affect how happy you are?

-Do genes affect whether you'll get married?

-Are psychopaths responsible for the crimes they commit?

-Do parents affect the political beliefs of their children?

-Has the world gotten better or worse over the last 200 years?

-Did the DARE program reduce drug use?

-Did the Scared Straight program reduce crime?

This episode features:

-Why do we get goosebumps?

-Why do some people turn red when they drink alcohol?

-Do people around the world express emotion in the same way?

-Why are so many people afraid of snakes?

-If you have two siblings, can you be more genetically related to one than the other?

-Why do giraffes have long necks?

-Why do ostriches have wings?

-Did humans “evolve from” monkeys?

This episode features:

-Why do people wear ugly clothing?

-Why do people overestimate how often they do the dishes?

-How do marketers manipulate us into spending more money?

-Why do people finish boring movies?

-How to make optimal decisions (using math!)

-The gambler’s fallacy

-Is a hotdog a sandwich?

-What is sex?

-Is sex on a spectrum?