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.
there is about a 10-15% failure rate of stents to stay open and more than 40% of patients with a stent will need another procedure within a year, despite the use of expensive medications..Questions to ask:ee the live video session that I recorded on 4/25/2014 to discuss stenting in detail. You might also want to look at my answer of June 3rd: http://www.cardiachealth.org/ca-blog/how-long-does-heart-stent-last-do-t...