Lactose intolerance is a frequent reason to avoid milk and dairy products. What is lactose?

a sugar
a lactic acid
a protein
a process of milk fermentation
Lactose is a dis­ac­cha­ride sugar that makes up around 2-8% of milk. Lactose in­tol­er­ance is not an allergy. It is the in­abil­i­ty to digest lactose due to in­suf­fi­cient levels of lactase, the enzyme that me­tab­o­lizes lactose into glucose and galac­tose.

Answers distribution

a sugar
a lactic acid
a protein
a process of milk fermentation
answers
flagFinland
90%
4%
2%
2%
41
flagUkraine
70%
20%
4%
5%
74
flagItaly
66%
13%
9%
9%
53
flagthe United Arab Emirates
65%
20%
10%
5%
40
flagMalaysia
60%
26%
7%
5%
38
flagthe United Kingdom
59%
17%
11%
11%
774
flagPoland
58%
22%
9%
9%
26579
flagthe Netherlands
58%
25%
9%
6%
92
flagNorway
57%
19%
7%
15%
52
flagPakistan
57%
15%
15%
11%
45
flagSpain
56%
15%
18%
6%
32
flagGermany
54%
23%
9%
12%
294
flagIndia
53%
26%
10%
9%
413
flagRepublic of Ireland
52%
24%
11%
10%
109
flagFrance
52%
23%
15%
7%
63
flagthe United States
49%
22%
14%
13%
1081
flagCanada
45%
27%
16%
9%
103
flagAustralia
45%
17%
24%
12%
74
flagthe Philippines
42%
29%
10%
15%
57
flagUnknown
40%
33%
12%
13%
1321

Gender

men52%
women57%
a sugar
52%
57%
a lactic acid
26%
21%
a protein
11%
11%
a process of milk fermentation
10%
9%

Details

Author: Kasia
Illustration: Steven Depolo
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