CL Answers

Do "Mr. Happy Stack" supplements improve memory, cognition and mood, and are they safe?

To prevent ticks, is it safe to spray permethrin on sleeping bags or bedsheets, as well as clothes?

How good are sardines? Are they healthy and safe? What did CL's tests find?

Is the Resurge supplement a scam? I'm having trouble getting a refund.

Does Oral-B Glide or other dental floss contain toxic chemicals called PFAS? Are there PFAS-free alternatives?

Can magnesium supplements reduce heart palpitations or PVCs?

How can I get tested for the coronavirus? Can I get a home-test for COVID-19? Which are the best tests? Are any tests free?

Which is the best mask to prevent COVID-19 and how do cloth, disposable, N95, and KN95 masks compare? How can I stop glasses from fogging?

What face shield is best to protect from COVID-19 and when should I wear one?

I read that famotidine (Pepcid) may help treat COVID-19. Is this true? Are there risks with taking famotidine?