What is the highest decibel level that you can listen to without risking permanent hearing loss?

What is the special protein present in muscles to change their shape? Can your stool smell like blood without the presence of blood? What to do if you have a real bad stomach ache with no fever and induces vomiting slightly? My gland under the right side of my jaw keeps getting inflammed and then goes down again for over a month now? What are the examples of nicotine substitutes? What is the key symptom of iron deficiency in leaves? Why does your hair fall of a lot more when you don't wash it everyday? What are laundry aids? When you have a bowel movement and it sits in the water you can see a reddish color is this blood? Why are you bloated at night? How did the church react to the plague? Does cpap machine for sleep apnea qualify for medical baseline allowance? How do you get rid of small sore eyes? Is it true that poor living conditions disease and famine lead to great divisions within slave communities? How do you create emotion in your writing? What systems do appendicitis effect? What and where is cecum superiorly? How many days between each monthly period? What is intermittent insomnia? Is it bad if you have low body temperature while sich?