When making informed decisions about health products or procedures, it's important to consider
a. risks, costs, and caution
b. credibility, risks, and costs
c. risks, credibility, and friends' referrals
d. none of the above

 b. credibility, risks, and costs

Considering if the brand or manufacturer of the food that enters your system or your doctor's competence and credibility is important to avoid harm and possible scams. Being aware of the risks of certain products and procedures will help one be prepared. Also, considering whether or not the cost is worth it is an important step too.