Smoking affects body weight but it is full of health risks to look thinner by smoking. Nicotine, intoxicating substance in cigarettes, affects the body in many ways. Taking nicotine burns calories and also puts pressure on the centers that control hunger. Due to which there is no hunger. The calorie abjores taken by such a body also decreases. All these reasons have an effect on weight.
A genetic study published in General of Health Psychology 2019 found that smokers weigh average about 1 to 2 kg. This is not a huge difference and scientists believe that weight loss in this way puts the body in many dangers.