Summer really seems to have arrived but hot weather can make many of us hearties struggle. I find once temperatures go over 25C despite drinking more my BP may drop leading to headache and tiredness. In the past I have discussed this with my GP and there is no easy solution. There is a recently updated (last month) BHF article on coping with the heat here:
Me, this afternoon it will be feet up, a cool non-alcoholic drink and maybe a couple of paracetamol while I watch the GP! Go Max Go!
If you go outside remember "Slip, Slap, Slop, Seek, Slide"!