Being overweight is associated with many health problems, which makes losing some of the best solution to avoid them, but it is not so easy, losing weight at a certain stage of life may have an unexpected result, according to a recent study, what is it?

The relationship between weight gain or loss and the risk of premature death depends largely on the age at which a person gains or loses weight. According to a recent Chinese study, weight gain with age does not necessarily increase the likelihood of death, but that weight loss at that age is significantly associated with death.

Losing weight at the end of youth or middle age can raise the risk of premature death, especially for heart disease, according to a study by the professor at the Department of Epidemiology and Biostatistics of the Tongji School of Chinese Medicine, Ann Pan.

The study involved more than 36,000 people aged 40 years, based on data from the National Institute of Health in the United States, where an annual survey of a representative sample to measure the health status of the American citizen.

But the researcher cited a weakness in the study: lack of access to causes that lead to weight loss in later life, and says that "inadvertent weight loss may be due to other factors such as diabetes or cancer," according to CNN.

Ann Ban advises not to gain weight during the early stages of life, while for older people, it is best to focus on trying a healthy lifestyle.

Obesity is a major health problem in the world.In the United States, for example, obesity rates rose from 14% in women and 11% in men in 1975, to 38% in women and 36% in men in 2016.