Anaerobic, fast twitch muscle fibres (or white fibres as they are known) as they provide large amounts of power over a short period of time
Zaroff is refined and intelligent but at the same time is savage and brutal. He is a first class host to Rainsford yet wants to hunt and kill him.
They help us reduce mental stress because during training and regular physical activity we become very focused and can achieve a mindful state as it is often called in psychology. Mindful states have been proven to effectively reduce our stress levels and have a positive impact on our mental hygiene. There is even a type of therapy based on this called mindfulness-based-stress-reduction therapy which battles this problem.
Well I obviously didn’t watch the video but I google searched it and it said more than 99 million Americans are overweight so your answer should be 100 million !
