*What amount of caloric deficit is optimum for max fat loss on obese and low muscle mass persons?
*How high of a deficit is too high for fat loss on a 'normal'/balanced macro nutrient diet?
*What happens to the body and fat loss on a 'normal'/balanced macro nutrient diet if the caloric deficit is too high (other than a large amount of muscle being spent on energy)?
*What happens to the body and fat loss if the caloric deficit is too high on a ketogenic diet?
*Is the ketogenic diet supreme to 'normal'/balanced macro nutrient diet at the same amount of caloric deficit for fat loss?
I think these questions should get me started. Please explain your answer in detail and the reason behind it.