5
votes
3answers
511 views

Is there an effective insect repellent than can be used indoors?

When I travel, I find myself getting bitten by mosquitoes not when I'm outside hiking, but when I'm inside eating or relaxing or otherwise sitting still. All the recommended insect repellents I've ...
11
votes
5answers
3k views

What type of mosquito repellent is most effective?

There are many different kinds of insect repellents and bug sprays on the market: sprays and lotions, chemical and natural, huge percentages of DEET and lower percentages, etc. What type of mosquito ...
7
votes
3answers
800 views

Is it possible to build up malaria and dengue resistance?

I have heard that in countries where malaria or dengue fever are endemic, local residents have built up resistance to the diseases so that contracting them is rare or impossible. Is this true, and is ...