Study shows dehydration can impact cognitive thinking

The video discusses various tasks such as proofreading and mental math. It highlights a study showing that participants can lose 1 to 6% of their body mass in fluids through exercise. Millard Stafford emphasizes the need for brain cells to stay hydrated, similar to muscle cells. Additionally, it is noted that caffeinated beverages like coffee also contribute to hydration.

Which of the following is NOT mentioned as a cognitive task in the video?

• Creative writing

• Map recognition

• Mental math

• Proofreading

What percentage of body mass fluids did participants lose through exercise according to the study?

• 2 to 5%

• 1 to 6%

• 3 to 7%

• 1 to 3%

Why is hydration important for brain cells according to Millard Stafford?

• Water helps in digestion

• Water improves skin health

• Brain cells need water like muscle cells

• Water increases energy levels

What common belief about caffeinated beverages is challenged in the video?

• They are only for energy

• They are the best source of hydration

• They have no effect on hydration

• They dehydrate the body

Which of the following beverages is mentioned as having a hydrating effect?

• Juice

• Soda

• Coffee

• Tea