Are you always cold? Or always hot? 
Here are foods that may warm you up or cool you down.

Cooling food: if you are often and easily warm or hot while others feel confortable, the food below should help. 
Eating raw foods will help as well.

Apple, banana, pear, cantaloupe, watermelon, tomato, all citrus.
All lettuce, cabbage, cucumber, celery, asparagus, spinach, eggplant, chard, summer squash, broccoli, cauliflower, zucchini, pickled foods, dandelion. 
Soy products, mung bean, sprouts, millet, barley, wheat.
Oyster, clam, crab, yogurt. All seaweed, duck. 
Peppermint, nettle, lemon balm, cilantro, marjoram.

Warming food: if you are often and easily cold while others feel confortable, the food below should help. 
Eating cooked versus raw foods will be helpful as well.

Dates, figs, cherries, dried fruits, alcohol.
Parsnip, mustard greens, winter squash, sweet potato, kale, onion, garlic, leeks.
Black beans, aduki bean, lentil, oat, spelt, quinoa, sunflower & sesame seeds, walnut, chestnut,
Lamb, turkey, beef, pork, anchovy, chicken, mussel, trout, butter.
Ginger, cinnamon, basil, rosemary, fennel, dill, anise, caraway, cumin, chive, scallion, cayenne (very hot).