1 The cost of a ventless gas fireplace is $500 to $2,500, and while there are additional installation costs, you may pay extra for finish work (such as a mantle, marble surround, etc.).2  Some top-of-the-line gas fireplaces may cost as much as $5,000 to $10,000 or more. 3  A gas log kit might cost $750 to $1,000 installed. Top vented gas fireplace inserts cost $750 to $3,000, and installation adds another $500 to $1,000. 2  Direct-vent gas fireplaces cost $1,000 to $3,500, plus $500 to $1,000 for installation.
Sperm can be affected by lifestyle factors such as smoking, drinking alcohol and taking drugs. There are other lifestyle factors that you may not be aware of, and they're also explained here. The good news is, once you become aware of them, they are fairly easy to avoid. It may be.
Long term use of marijuana does affect fertility in both men and women. For men, marijuana causes a lower sperm count and smaller volume of seminal fluid, that is about half of the normal amount. However, Marijuana also causes abnormalities in the existing sperm.The problem comes from timing.or men, marijuana causes a lower sperm count and smaller volume of seminal fluid, that is about half of the normal amount. However, Marijuana also causes abnormalities in the existing sperm. The problem comes from timing.