How helpful is weight lifting for developing fast twitching muscle fibers?

Very good if done properly. To do so properly, however, you really should have a velocity meter, otherwise, you're just guessing.

Squats & Science | OpenBarbell V3 is a decent quality, pro-sumer velocity meter. If you're targeting fast twitch fibers, you need to consistently move weight quickly and this ensures you're in your target zone. Various muscle groups have different targets, and so deadlift, snatch, cling and jerk, squat and bench all have velocity profiles for speed-strength.

Additionally, using a velocity meter on plyometrics and jump exercises, such as the trap bar jump, is very effective.

These guys have a good outline of velocity based training: Velocity Based Training | Science for Sport

And searches for velocity based training with keywords for a sport you may be interested in should lead you to more specifics and relevant exercises.

Does losing weight lower cholesterol?

Yes, losing weight may have a positive effect on cholesterol and other lipid markers.A twelve week study of 25 people who were at risk for developing metabolic syndrome   was done in conjunction with the University of Colorado Denver and USANA Health Sciences.The participants who substituted a shake for breakfast and lunch, ate

What should the maximum age difference between partners be?

I've always heard of men having a formula to determine who is too young to date:Your age, halved, plus seven.[(Your Age) / 2 ] + 7For example, if you are a 34 year old man, half your age is 17. Add seven to that and you arrive at 24 years old. A 34 year

What are the best books about yoga?

Best books about yoga:-1. The Heart of Yoga: Developing a Personal Practice:-This is my absolute favorite yoga book of all time. T.K.V. Desikachar takes you on a journey through the art and science of yoga, beginning with the teachings he received from his father, Sri