Eat less and exercise more.
Occam’s razor applies.
Eat less and exercise more.
Has a proven success rate of around 3%.
The trick is to eat actual food. Instead of the multitude of edible food-like substances that fill our grocery stores.
Eat when you are hungry, then go outside and work like hell until you are hungry again. Works for me. 5’11” tall, 175# and 63 years old.