Did Cod Save the Vikings?

The video explores the historical significance of cod in Viking culture, highlighting how it helped them avoid rickets due to its vitamin D content. It discusses the discovery of vitamin D's role in bone health and contrasts cultural knowledge with scientific understanding, emphasizing the importance of the scientific method in advancing human knowledge.

What was the primary reason for the emergence of rickets in northern Europe?

• Lack of sunlight

• Excessive cold

• Poor diet

• Genetic factors

How did the Vikings manage to avoid the widespread issue of rickets?

• By migrating south during winter

• By consuming cod rich in vitamin D

• Through genetic immunity

• By using herbal remedies

What was a key cultural practice of the Vikings that contributed to their health?

• Wearing warm clothing

• Practicing meditation

• Drinking cod liver oil

• Building large ships

What happened to the Greenland Viking settlement due to a lack of vitamin D?

• It thrived and expanded

• It vanished due to health issues

• It became a major trading hub

• It was conquered by other tribes

What is the main advantage of the scientific method according to the video?

• It is faster than cultural practices

• It is based on luck

• It allows for manipulation of reality

• It relies on traditional knowledge

Which vitamin was first scientifically identified in cod liver oil?

• Vitamin C

• Vitamin B

• Vitamin A

• Vitamin E

What did the British discover through a randomized control trial?

• Cod liver oil cures rickets

• Citrus fruits cure scurvy

• Sunlight is harmful

• Herbs cure all diseases