Food marketing and advertising can have several psychological effects on consumer choices, such as creating a sense of urgency or scarcity around certain products, triggering emotional responses through appealing visuals or slogans, and influencing perceptions of taste and quality through branding and packaging. Additionally, repeated exposure to food advertisements can lead to increased cravings and consumption of unhealthy or high-calorie foods. It's important for consumers to be mindful of these tactics and make informed choices when selecting food products.