Important as well is that the best LED grow lights use specific wavelengths of light that are needed the most by your plants. Traditional grow lights blast your plants with light and as a result much of the light is wasted.
1 More than 90 people out of 100 who have a bypass are still alive 5 years after surgery.  How long a bypass lasts depends on how long the blood vessel grafts stay open. The risk of needing another operation gets higher each year after your surgery. After 5 years, about 2 out of 100 people need another surgery.
I had a quintuple heart bypass surgery at the age of 38 years old last August 10, 2012. I'm now 40 years old and continuing to exercise, diet & taking my medications (clopidogrel, telmisartan & rosouvastatin). With regards to your statement that the life expectancy of a heart bypass patient is only 5 to 25 years.