Many paths; they run everywhere, chewing coca.

For centuries, Bolivians have chewed coca to allay hunger pangs and cope with the thin air in the Andes.

For thousands of years before that, however, Indian highlanders cultivated and chewed unprocessed coca to mitigate hunger and increase stamina.

Per-haps he'd been chewing coca leaves.

Spending two hours chewing coca leaves in a muddy, claustrophobic mine was not the most enjoyable tour I've taken, but it was one of the most memorable.

The men also continuously chew coca leaves a tradition followed by many indigenous tribes to connect them to the natural world.

Now all the indios chew coca - it is cheaper than food.

"You must chew coca."

The Chasqui (messengers) chewed coca leaves for extra energy to carry on their tasks as runners delivering messages throughout the empire.

Bolivian peasants have traditionally chewed coca to combat hunger, thirst and fatigue.