Why you might actually be healthier if you put on weight
Overweight and lower-end obesity are associated with lower mortality than healthy-weight; underweight and low-normal BMI carry the highest mortality risk.
Being too thin can be deadlier than being overweight, Danish study reveals
Overweight and some mild obesity show similar five-year mortality to BMI 22.5–<25.0 kg/m2, while underweight and low-normal BMI carry higher mortality risk.
