Why some people may feel hungry after smoking weed

In recent years, conversations around cannabis, commonly referred to as bhang in Kenya, have often included stories of people experiencing a sudden increase in appetite after use.

While this effect is widely reported in popular culture, it is important to understand it from a scientific, legal and public health perspective.

Cannabis is a controlled substance in Kenya, except in limited medical or research contexts approved by law.

Any discussion of its effects should therefore be viewed strictly for educational and informational purposes, not as encouragement for use.

The sensation of increased hunger associated with cannabis is scientifically recognised and is commonly referred to as “the munchies”.

Researchers attribute it to how compounds in cannabis interact with the brain systems that regulate appetite, taste and reward.

The role of THC in the brain

The primary psychoactive compound in cannabis is tetrahydrocannabinol, commonly known as THC.

This chemical is responsible for most of the mind and body effects linked to cannabis use.

Once THC enters the body, it interacts with a natural communication system in the brain known as the endocannabinoid system. This system helps regulate essential functions such as mood, sleep, memory, pain perception and appetite.

THC mimics naturally occurring chemicals in this system and binds to specific receptors found in several parts of the brain, including those involved in hunger regulation.

How the brain’s hunger system is affected

A key area affected by THC is the hypothalamus, a small region of the brain that plays a central role in controlling hunger and energy balance.

Under normal conditions, the hypothalamus receives signals from the body about energy needs and helps determine when a person feels full or hungry.

However, when THC activates cannabinoid receptors in this area, it can disrupt the usual balance of hunger and fullness signals.

As a result, the brain may send stronger hunger messages even when the body does not require additional food.

This explains why some individuals may feel hungry shortly after cannabis use, even if they have recently eaten.

Why food may seem more appealing

Beyond hunger signals, THC can also influence how the brain processes taste and smell.

Smell plays a major role in how humans experience food.

Research suggests that cannabis may heighten sensitivity to food aromas, making meals appear more attractive than usual.

This change in sensory perception can make ordinary foods feel more enjoyable, which may increase the desire to eat.

The brain’s reward system and eating behaviour

THC is also believed to affect dopamine, a brain chemical linked to pleasure and reward.

When dopamine activity increases, everyday activities such as eating can feel more rewarding than usual.

This may encourage continued eating even after the body’s nutritional needs have been met.

The combined effect of increased appetite signals and enhanced pleasure from food helps explain why some people may experience stronger cravings after cannabis use.

Why is not everyone affected the same way

Not every person who uses cannabis experiences increased appetite.

The effect can vary depending on factors such as individual biology, tolerance levels, frequency of use, the type of cannabis product used and its chemical composition.

Some individuals may experience strong hunger, while others may notice little or no change in appetite.

In some cases, the response may even differ between occasions in the same person.

Health and safety considerations

Although increased appetite may appear harmless in the short term, repeated episodes of overeating may contribute to unhealthy dietary patterns over time.

Frequent consumption of high-calorie foods in response to increased appetite can contribute to weight gain and related health concerns if not managed carefully.

Health experts also caution that smoking any substance may expose the lungs to harmful substances produced through combustion.

In addition, cannabis use has been associated in some studies with effects on memory, concentration, coordination and mental well-being, particularly with frequent or long-term use.

Young people are considered more vulnerable because the brain continues to develop into early adulthood.

Legal and public health context in Kenya

In Kenya, cannabis remains a controlled substance under national drug laws, except in strictly regulated circumstances such as authorised medical or research use.

Public discussion of cannabis effects is therefore often framed within public health education, harm prevention and legal awareness rather than recreational use.