Jonah Hill Weight Loss; Can You Lose Weight Without Expensive Personal Trainers?Jonah Hill, star of teen snark flicks 'Superbad' and 'Get Him to the Greek,' has reshaped his formerly chubby self for a new film '21 Jump Street.' Hill's personal nutritionist and trainer helped him lose weight; are expensive resources needed for weight loss? The keys to successful weight loss are information and willpower. Read more...