In the nineteenth century, studies first began on certain life rhythms or cycles that were later termed "biorhythms". The word biorhythm is a compound of two Greek words, bios and rhythmos, which mean life and a constant or periodic beat. The theory of biorhythms defines and measures four basic and important life cycles in man: the physical, emotional, intellectual and intuitive
Support multiple user in this app. You can add a user by typing on + button, the name and selecting the birthday.
By selecting a user you can see the 4 cycles physically, intellectually, emotionally and intuitively. Each rhythm has a value from - 100 to 100 and indicates the status. Dangerous days : 0 ( at the time of transition from + value to - value)