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Which phobia is the most common?

arachnophobia

claustrophobia

agoraphobia

fear of heights

Some statistics show that 50% of women and 10% of men show symptoms of arachnophobia. The reasons are unclear, as a huge majority of modern spiders is harmless. It is speculated, that early humans might have lived in areas where poisonous spiders were a real threat.

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the United Arab Emirates

68%

18%

0%

12%

16

Republic of Ireland

61%

10%

8%

19%

57

Lithuania

61%

30%

7%

0%

13

the Philippines

60%

15%

5%

20%

20

Russia

59%

16%

0%

21%

37

the Netherlands

56%

20%

0%

23%

30

Switzerland

56%

25%

12%

6%

16

the United Kingdom

50%

18%

6%

24%

279

Canada

50%

28%

6%

15%

32

Austria

50%

25%

6%

18%

16

Ukraine

47%

22%

5%

23%

59

France

47%

17%

8%

26%

23

Poland

46%

21%

4%

26%

11055

Unknown

43%

16%

3%

35%

323

the United States

40%

27%

8%

22%

283

Germany

36%

27%

6%

28%

129

Italy

33%

48%

11%

7%

27

Norway

30%

15%

7%

46%

26

India

27%

28%

5%

38%

120

Australia

11%

17%

17%

41%

17

Which diseases are exceptionally common among Amishes?

Genetic disorders. Since almost all Amish descend from about 200 18th-century founders, genetic disorders that come out due to inbreeding increase the mortality rate among Amish children. In contrast, cancer rates are 56 percent of the national rate.

Who popularized heroin?

Bayer pharmaceuticals. During 1898-1913, heroin was a major product of the company, advertised and shipped worldwide. After withdrawal of heroine, the next Bayer's major product was aspirin.

Which infectious agent causes diseases that are the most difficult to cure?

Prion. All known prion diseases affect the structure of the brain or other neural tissue and all are currently untreatable and universally fatal. This includes bovine spongiform encephalopathy (BSE, also known as "mad cow disease") in cattle and Creutzfeldt–Jakob disease (CJD) in humans.

In an experiment, people were asked to detect various groups of images among variety of objects. Which images were the quickest to be recognized?

Spiders. Scientists figure humans may be born with a fear of spiders and snakes, healthy phobias that up the odds of survival in the wild.