Food intake and energy expenditure must be balanced to maintain a healthy body weight. This balance is kept by the central nervous system, which controls feeding behavior and energy metabolism. Several brain systems are involved, including the brainstem which receives neuronal inputs from the digestive tract, and the hypothalamus which picks up hormonal and nutritional […]
Tag: science
Thanks to Skillshare for supporting this episode of SciShow. [INTRO ] There are lots of reasons to want renewable sources of energy. They can reduce smog, create jobs, and lower our environmental impacts… which we all pretty much agree are good things to do. But right now, there are limits to how much energy we […]
Starch is one of the most important components of the human diet it forms the main source of energy in our diet and is a key nutrient to humans. However in recent years starch consumption has been linked with a number of negative health outcomes including obesity diabetes and cardiovascular disease. So my research is […]
It’s actually VLOG #30, but who’s counting?
Hello everyone, today I’m here to tell you you how can lose four to nine pounds of belly fat in a single week. by eating whatever you want without doing a lick of exercise. [intro music] Oh no, seriously, I’m here to tell you about Skinny Hank. For ten days you eat nothing but corn […]
(Narrator) This is Armando. This video was created as part of the Hungry Microbiome Project, which I made at CSIRO. In this video we’ll focus on starch digestion. We will first review the structure of starch, and finally we will look at the steps involved in starch digestion. So we begin here with a human […]
Our topic for today is Digestive System in Humans. Digestion is a process in which complex food material is broken down into simpler substances. The digestion of food in humans takes place in the alimentary canal, which is a long tube extending from the mouth to the anus. The different parts of the alimentary canal […]
Across the whole planet, humans eat on average between one and 2.7 kilograms of food a day. That’s over 365 kilograms a year per person, and more than 28,800 kilograms over the course of a lifetime. And every last scrap makes its way through the digestive system. Comprised of ten organs covering nine meters, and […]
– Fast food is cheap and convenient. But hidden in between the burgers and tacos are some “healthy” options: salads, grilled chicken, yogurts, oatmeal, power burritos. Doesn’t sound too bad, right? I spent a week eating nothing but these “healthy” fast foods and I lost six-and-a-half pounds. But even though I lost about a pound […]