Should people with mental health issues or disabilities do the fastings in Ramadan?

I know there are certain exceptions for who has to practice Ramadan, including exception for children, elderly people, travelers, menstruating women, pregnant women and the sick. But I was wondering if people with certain conditions like clinical depression, or problems like bipolar disorder or schizophrenia, non-funcional Autists and people with Down Syndrome or any mental disability, should they also