For 12% of people it makes blood pressure higher not worse. The presenter chooses the terms ‘adverse’ and ‘worse’ for his own purposes.
My girlfriend has chronic hypotension, and can easily faint or become dizzy when standing or if she doesn’t have enough water. Anecdotally, regular exercise seems to help prevent that. It’s hard to find numbers, but the closest thing to solid I could find is that 26% of people with diabetes (couldn’t find general population) suffer from hypotension.
If the 32% of people receiving no change or an increase in blood pressure fall on the bottom end of the bloodpressure spectrum, they’re getting exactly what they need. Regardless of how the speaker labels the results.
I’m fairly certain that’s not how you’re supposed to develop a habit of gratitude. It’s not about doublithinking yourself into believing you like things that you dislike; it’s to help you notice more things you like.
I’ve been doing a gratitude journal. I write three short notes from the last day where I was thankful for something a person did (eg, saving me a brownie or something). Then I take the one that makes me happiest and write a 1 paragraph description of what occurred, how I felt, and such that writing the paragraph makes me relive the moment. Then I write out a note (that is usually later transcribed) to a past person in my gratitude journal.
When I think of that person or think back to that day, I’m immediately able to recall any nice things they did that I wrote down. Also, as I go through my life, I’m constantly looking for things to be thankful for, and notice and remember them more easily.
If you do something like in the quote, it seem more likely that you’ll remember negative things (that you pretend to be positive). It goes against the point of the exercise.