This may be a sebaceous cyst. This type of bump develops when sebaceous glands are blocked. Sebum builds up and a bump develops. This bump can feel hard to touch. Sebum is naturally produced, so there usually is not inflammation.
I think it’s the first and the last one? I know it has to do with intensity(how hard), frequency(how often) and duration(how long). I hope this helps I don’t know much about this subject but I want to help you :(
Sleep helps strengthen productivity and energy. how a person wakes up is the start of their day: bad sleep can result in a bad day where as good sleep can result in a good day.
Some factors that affect your health you can control are: physical environment, heredity, culture, social environment, behavior, and attitude.
