Some forms of arthritis are caused by a reduction in the normal amount of this cartilage tissue. Osteoarthritis, one of the most common forms of arthritis, is caused by normal wear and tear throughout life; this natural breakdown of cartilage tissue can be exacerbated by an infection or injury to the joints.The risk of developing osteoarthritis may be higher if you have a family history of the disease.steoarthritis, one of the most common forms of arthritis, is caused by normal wear and tear throughout life; this natural breakdown of cartilage tissue can be exacerbated by an infection or injury to the joints. The risk of developing osteoarthritis may be higher if you have a family history of the disease.
Wait for the Best Deals. The best deals on summer airline tickets are historically offered approximately 3 1/2 months before a departure date, as airlines attempt to determine their demand for summer travel, reports Rick Seaney at Fare Compare.
Notably, it's also bad for your pocketbook to book too far in advance, according to CheapAir. People who booked 210 days before the flight ended up paying an average of $475 for a domestic ticket. There are exceptions and caveats, however. If you're booking for a high-traffic time, like Thanksgiving, it can make sense to book well in advance. The optimal time to buy a flight for Thanksgiving weekend in 2012, for instance, was 96 days in advance.