Hello,
I have studied your case with diligence.
Yes you may need to avoid all kind of nuts.
Newer biologics have role in RA.
For weight reduction
You can take high protein, and vitamin diet,take heavy salads and fruit juices.
Avoid fatty, oily, junk food,milk products containing high fat,non veg ,beer.
Drink 4 to 5 little water daily.
Do exercises for weight reduction,
yoga,pranayama.
There is good role of diet and achieve correction through it, for details you can directly contact on my profile
http://doctor.healthcaremagic.com/doctors/dr-vaibhav-gandhi/63503
Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.
Wishing you good health.
Take care.