Answer:
most people carry harmful bacteria and can transport them to food touching your nose, hair can spread bacteria and cause contamination
Long-term commitment to diet and exercise
Testimonials
All of the above
Both a and b
Setting reasonable goals for yourself
Reusing or sharing needles, really anything that can be spread through blood and drugs.. i hope this helps and sorry its so brief.
The thing wrong with this study is that it could very possibly be wrong, seeing as how it was funded by a candy company. They could have very well influenced the outcome of the study.
"Bad" bacteria because there are also good bacteria that we need in order to live not just healthy, because every person gets sick and we need it for our body. Too much good thing is a bad thing.
