Ethnicity, Plays a smaller role in poor health. Ethnic minorities in the UK tend to have higher rates of cardio-vascular diseases than white people. This is due to hereditary factors based off ethnicity.
For example, levels of heart diseases and diabetes among south Asians are higher than other ethnic groups.
Furthermore during the 2019 covid pandemic, death rates were highest among people of black and Asian ethnicity, people of Bangladeshi ethnicity had twice the risk of death than people of white British ethnicity.