Answers:
- Smokeless products don't cause cancer.
- Vaping and smoking e-cigarettes are not harmful to the body.
- Filters can make cigarettes safer to use.
- Occasional use of nicotine and tobacco products does not have health risks.
Smokeless products such as snuff, snus, chewing and dissolvable tobacco contain harmful chemicals found in tobacco which can also cause cancer and heart disease.
The recently famous vaping and e-cigarettes have cartridges filled with nicotine and other chemicals, where the liquid chemicals turn into a vapor or steam that a person inhales. These types of smoking are still harmful to the body for it contains dangerous chemicals that could put the health of a person at risk.
Moreover, filters cannot make cigarettes safer to use for the smoke is still there and there is a big chance of inhaling these harmful smoke.
Lastly, whether the use of nicotine and tobacco products are occasional, there are still a big tendency that its use have untoward effects on the body and potential health risk is always there.
The correct answer is C. Secondary sources lack medical expertise.
Explanation:
The excerpt presented focuses on providing recommendations to determine whether a source is reliable or not, especially when dealing with sources related to health. In this text, the author specifies that it is necessary to evaluate the data of sources "try to determine whether the information is supported by evidence from scientific studies, other data, or expert opinion".
Also, the author refers to secondary sources such as internet sites and about this it clarifies these are based on interpretations "relying on another person's interpretation" and might lack of expertise in the area "it lacks the expertise of a medical journal or a national organization specializing in that field of cancer", which suggest secondary lack credibility and should not be used. According to this, the statement that summarizes the passage, especially about secondary sources is "Secondary sources lack medical expertise".
Social skills is the answer. Hope that helped :)