Can your diet change the smell of your armpits? Scholars learn the truth behind this and other factors that influence body odor. It covers the biology of what is happening as well as the ways to prevent or cover the offensive odor. To...

Why do sweaty humans smell like onions and cumin? Explore antiperspirant and deodorant chemistry with a fact-filled video from the American Chemical Society's Reactions playlist. Topics include odor-causing agents, components of underarm...

Hug it out! Hugging releases oxytocin, a hormone proven to reduce swelling, thus hugging can heal physical wounds faster. Hormones control many things in the body, from healing it to causing emotions, so understanding more about them is...

Humans are the only mammals who delay sleep. Viewers learn this and other interesting facts in a video that explores sleep in humans. The narrator also discusses how lights affect our sleep, the importance of sleep, and how...

Hormones, genetics, food—how exactly do people get acne? The bigger questions is how do you get rid of acne? Watch an interesting video that explains the different causes and treatments of acne.

The pineal gland in the endocrine system secretes melatonin which helps humans sleep. In this human body video, scholars explore the major parts of the endocrine system. The instructor explains the roles of hormones, glands, and cells...

A basic overview of the endocrine system shown in a cartoon-like movie. Easy to understand for elementary students and a quick review for older ones.

Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and lipid-soluble, and may target many types of cells...