Rafael Guzmán García, psychoneuroimmunologist and osteopath, dissects how the environment in which we live, the thoughts we have, the type of food we eat, the contact we maintain with nature, the hours we How we sit or how long we are exposed to sunlight influence our health. "If we knew the consequences, we would not give our children refined cereals, milk with soluble cocoa or white bread with jam for breakfast", he says.