Q 01/05

Which professionals lose more than 1% of their bone mass every month they spend at work?

A) Astronauts

B) Submariners

C) Airline pilots

D) Deep-sea divers

Answer · why

A) Astronauts

Astronauts shed bone in orbit because weightless bones carry no load. Crews on the Mir station lost 1–2% a month, about what an older adult on Earth l...

Q 02/05

Which animals lie inactive for months each winter yet lose no bone mass, a puzzle for osteoporosis researchers?

A) Hamsters

B) Hedgehogs

C) Bears

D) Dormice

Answer · why

C) Bears

Bears wake from hibernation with bone mass unchanged, pointing to a built-in mechanism that protects the skeleton. In people, long spells of inactivit...

Q 03/05

Which British royal became president of the Royal Osteoporosis Society after her mother died of the disease?

A) Princess Anne

B) Queen Camilla

C) Princess Diana

D) Queen Elizabeth II

Answer · why

B) Queen Camilla

Queen Camilla joined the charity in 1994, the year her mother Rosalind died of osteoporosis, and became its president in 2001. Her first public speech...

Q 04/05

Which two-time Oscar winner, diagnosed with osteoporosis in 2005, fronted a campaign for the drug Boniva?

A) Jodie Foster

B) Diane Keaton

C) Goldie Hawn

D) Sally Field

Answer · why

D) Sally Field

Sally Field launched Rally with Sally for Bone Health after her diagnosis. She won her Oscars for Norma Rae and Places in the Heart.

Q 05/05

Which athletes build stronger bones in one arm than the other, a textbook example of Wolff's law?

A) Speed skaters

B) Marathon runners

C) Tennis players

D) High jumpers

Answer · why

C) Tennis players

Tennis players load their racquet arm so heavily, above all when serving, that its bones strengthen. Wolff's law says bone adapts to the loads placed ...