Well, I don't know what any new research says but I don't believe that it is hereditary. I don't think that taking the substances you've mentioned will increase your chances of getting it though there has been some debate over the years (regarding weed) that some people with mental health issues react with paranoia which can lead to psychosis. Some people can't do weed at all and others are not affected that way, I would stay away from it if you can. Coffee is unlikely to cause mental health issues. The best thing you can do is to take care of your mental health and look after your health.