No coffee or tea.

FORBES: The Centenarian Diet

Researchers say it made no difference whether the caffeine came from coffee, soda, tea or hot chocolate.

CNN: Study: Caffeine may boost miscarriage risk

But the 29-year-old New Yorker says the premium you pay for the Express does not represent value for money, with no more legroom than a normal train and not even a complimentary coffee or tea.

BBC: Could the US crack high-speed rail?