Low-impedance headphones are in the range 16 to 32 ohms and high-impedance headphones are about 100-600 ohms. As the impedance of a pair of headphones increases, more voltage (at a given current) is required to drive it, and the loudness of the headphones for a given voltage decreases.
Yes, taking to much Vitamin D can cause some people to get diarrhea. Some others may experience constipation from to much Vitamin D.
Vitamin D toxicity is a possible complication if you take too much for too long. Symptoms of vitamin D toxicity include weight loss, heart arrhythmias, and excessive urination. However, you canât get too much vitamin D from sun exposure. Toxicity is only a concern if you get vitamin D from supplements.