Anxious? Cut down on caffeine

Caffeine can boost energy, improve alertness and produce a general feeling of well-being—when used in moderation. Go past the sweet spot though, and that same elixir can cause insomnia, jitteriness and feelings of nervousness. Those who already struggle with anxiety may be particularly susceptible to its effects and should monitor…

Stressed, anxious? Ask the brain

Our actions are driven by “internal states” such as anxiety, stress or thirst—which will strongly affect and motivate our behaviors. Not much is known about how such states are represented by complex brain-wide circuits, including sub-cortical structures such as the amygdala. In a study recently published in Science, the group…