Sometimes PMS can be eased by eating every 3 hours 24/7, 52/12.
Maybe a history of stroke in your parents isn't relevant and do you mean your cholesterol is high?  I have a high reading but as I'm doing everything 'right' my GP doesn't consider that I need statins.  There is an e-mail to Dr Currie available here, more details of how and the cost above.  Might be worth thinking about if your GP is less than knowledgeable.