Lose weight, lower cholesterol, significantly reduce the risk of disease, and become physically fit--in just 4 weeks. Professional athlete-turned-firefighter Rip Esselstyn is used to responding to emergencies. So, when he learned that some of his fellow Engine 2 firefighters in Austin, TX, were in dire physical condition-several had dangerously high cholesterol levels (the highest was 344!)-he sprang into action and created a life-saving...