<human>: I am a 28 years old and extremely active. A minimum per week of high intensity exercise in: 1 hour bike 3 times, 40 min swim 3 times, and tennis or running. I am carefully consider my food. and yet, I consistently have high blood pressure at the doctors office: 130/80. Hypertension runs in my family, but usually starting in 50s. I think perhaps all the swimming in the sea, and exposure to its high salinity, is affecting my bp. What do you think?
<bot>: Hello, 130/80 is pretty normal pressure and you shouldn't be worried about it.  However, as you have strong family history of hypertension, do monitor it serially to know the trend. If you don't not gulp down significant seawater its fine enough if you swim. But yes It's important to keep salt in your diet really low i.e. Less than 3 GMS per day, so by all means it should not exceed this through any source