There are many treatment options for various knee problems that are nonsurgical.

For arthritis of the knee, be sure to check out this link from PAMF.  Nonsurgical treatments are outlined nicely.  For viscosupplementation we start with Hyalgan although there are several other brands of the same type of injection.

Knee Pain Woman

Physical Therapy

A physical therapist is an excellent way to get started with a rehabilitation program for your knee if you are having many minor knee issues. There are many good resources for information available online to get you started:

One of the things that helps with overall health, weight control and well being is physical fitness.  A great resource for fitness tools is the LIVESTRONG Foundation.