To stop arthritis from progressing, you need to avoid running, squatting, jumping, stairs, cross legged sitting. Do weight reduction and quadriceps and hamstring strengthening exercises.

Arthritis is not related to food. You can eat anything. 

In normal circumstances swelling last for maximum 2-3 days, but in case of any complications if the swelling doesn't go you need to consult orthopedist for further treatment

In normal condition You will need around 2 - 21/2 months to drive comfortably on your own. But if there is any complications post surgery, you need to consult orthopedist for advise.

If there are no complications post arthroscopic knee surgery then you can drive after 3 months.

You have to start exercises immediately after Arthroscopy surgery. Weight bearing with walker is started immediately as knee range of motion exercises and isometric quadriceps and hamstring strengthening exercises are started immediately

Few treatments which are recommended by Orthopedist are rest, ice, Local ultrasound, Collagen supplements, Stem cell therapy which help you to combat tendonitis.

You need to visit orthopedist for correct diagnosis and  treatment, as he will do some tests and accordingly prescribe you the medicine.

Hip pain can have causes that aren't due to underlying disease. Examples include trauma, lying on a side for a prolonged period, overuse, muscle stiffness, sitting in an awkward position, sprains or strains. For treatment you need to visit orthopedist who will analyze the problem and prescribe the medicine for relief.

Achilles tendinitis is caused by repetitive or intense strain on the Achilles tendon, the band of tissue that connects your calf muscles to your heel bone. This tendon is used when you walk, run, jump or push up on your toes.

The structure of the Achilles tendon weakens with age, which can make it more susceptible to injury — particularly in people who may participate in sports only on the weekends or who have suddenly increased the intensity of their running programs.

Here are many things that can happen to the AC joint, but the most common conditions are arthritis, fractures and separations. Arthritis is a condition characterized by loss of cartilage in the joint, which is essentially wear and tear of the smooth cartilage that allows the bones to move smoothly. Like arthritis at other joints in the body, it is characterized by pain and swelling, especially with activity. Over time, the joint can wear out and get larger, with spurs forming around it. These spurs are a sign of the arthritis and not a cause of the pain. Reaching across the body toward the other arm aggravates arthritis at the AC joint. AC joint wear and tear is common in weight lifters, especially among those who bench press and to a lesser extent, military press. In weight lifters the arthritis at the AC joint has a special name — osteolysis.

The duration varies depending upon your severity of atrophy. Need to do regular and gradually progressive weight training exercises. 

Facet arthropathy is a degenerative condition of the spine. The treatment in the initial stages consist of medicines and Physiotherapy. If associated disc prolapse or any Listhesis , surgery may be required. 

You need to take rest, Physiotherapy and medication in the initial stages. If it's stage 3/4 chondroplasty may be required. 

Please show your reports to orthopedist and he will guide you depending upon fracture.