Since some people argue that being vegetarian is more expensive than a standard diet, why is meat so expensive?

Meat costs what it costs. The arguments of ‘some people' do not impact the price of meat (other than to create more demand which pushes up prices, but the effect is minimal).

A better question would be ‘Given that meat is expensive, why do some people argue that a vegetarian diet is more expensive than one that includes meat?"

But ultimately people will argue for or against just about anything, usually in an attempt to validate their own worldview. People who like meat can compare low grade ground meats to organic pre-packaged foods from boutique grocery stores. People who don't like meat can compare beans and rice to filet mignon. Whatever arguments they come up with will not have a significant influence on the price of meat.

What does adding weight to the abdominal muscles exercises accomplish? Is it enough to do bodyweight instead?

Your muscles adapt to the load that it perceives. Progressive overload is the only way to make your muscle bigger or stronger depends on your goal. You can not expect your chest to be stronger doing 100 push ups forever. Same for your abs, you have to increase the weight or increase

Can children get abs?

Exercises is safe method to get six pack abs. For people who want to get six pack abs in short time, you can try Imodstyle 6 Pack Abs (please search on google) . My boyfriend try it and his abs showed clearly within 20 days.Whether you're aiming to achieve your fitness goals

What is your opinion on fasted cardio?

I believe it works for endurance. If you are trying to make your muscles burn fat, working out after a fast will get you there. Actually, in ultra running training we try to maximize this by doing back-to-back training. This is like doing 2 long runs on consecutive days. For example, 5 hours on