Fluorescent lamps also flicker as they are turned on because it takes a few moments for the gasses to heat up sufficiently to produce light. LED lights do flicker, but not in the same way, and as a matter of fact, they flicker at such a fast rate of speed that it is usually imperceptible to the human eye. Non-Rectified Flickering LED Lights. It is a fact that all LED lights naturally flicker at a rate of approximately 60 Hz per second.
Risks from smoking, as they relate to lung disease, include the following: Chronic obstructive pulmonary disease (COPD) which includes: Chronic bronchitis. Chronic bronchitis, a long-term inflammation of the bronchi (large airways), is characterized by coughing mucus over a long period. Emphysema.
10 of the Worst Diseases Smoking Causes Smoking cigarettes will kill you, but before you die, you could experience some pretty terrible diseases and health conditions from smoking. Here are some of the most gruesome diseases caused by smoking*: More people die from lung cancer than any other type of cancer. Cigarette smoking is the number one risk factor for lung cancer; it's responsible for 87 percent of lung cancer deaths.