A variety of factors — from genetics to diet and exercise ... causes of obesity is essential to help individuals lose weight and improve their health. Avoiding obesity is not as simple as ...

Some of the reasons you may find weight loss difficult include your genetics, race and ethnicity, hormonal factors, metabolism, lifestyle factors, and mental health. Certain medical conditions can ...

Some radiations (alpha particles) are more ionising than others (beta and gamma). This is quantified by using a radiation weighting factor (\(W_{R}\)).