The Yanomami live by a combination of horticulture and foraging. Most of what they eat has been cultivated in their gardens. Each household in the village clears their own land and tends it themselves. Chiefs, who have to produce more food to meet their obligation to provide hospitality, commonly receive help from others. A village can produce all of its needs from only three hours worth of work per person.
One characteristic of the Yanomami is that they are accustomed to violence as a result of their values and culture and because of this, the Yanomami live in a constant state of warfare. Warfare appears as a main interest supported by a set of beliefs urging strong villages to take advantage of the weaker ones.
The Yanomami do not utilize much technology except in their weapons. The main weapon produced by the Yanomami is arrows. They make arrows that are six feet long. These arrows are very accurate. Arrows not only serve as weapons but as valuable possessions that are commonly exchanged as gifts among the Yanomami Villages that are nearby may sometimes ally so they can team up against another larger village. In order to demonstrate their friendship towards each other, the two villages trade and feast.
The men drug themselves on a daily basis with a substance called ebene, which causes an excessive production of mucous. The recipient allows for the mucous to drip freely from each nostril. It is believed among these people that the usage of this drug will have an effect in which bad spirits are relieved.
In recent years, Chagnon's writings have contributed to the label of the Yanomami as waiteri : fierce people. He has created an image of these people,