We're likely to forget that pharmaceutical companies in the U.S. have the tradition of raising drug prices at the beginning or mid of a year; and thus, has been the order of the day over decades.
There is a dire need for strong immune systems in the world, especially now with the whole world facing the COVID-19 pandemic that has claimed the lives of over 200 000 people worldwide.
Hypertension is a silent killer (494,873 died of it in USA, 2018) and anyone can experience it. Just a symptom isn't accurate enough to determine its existence.