Media

TV APPEARANCE:

 

FOOD – Tyrosine:

[Dutch]
[English]
[Other languages]

 

FOOD – Probiotics:

 

FOOD – Tryptophan:

[Dutch]
[English]

 

Testing commercial tDCS device:

 

AROMA:

 

TEMPERATURE

[Dutch]
[English]
[Other languages]

 

PHYSICAL EXERCISE:

[Dutch]
[English]
[Other languages]

 

KHAT:

 

COCAINE: 

 

CANNABIS: 

 

MEDITATION:

 

RELIGION:

 

ALCOHOL AND ESTROGEN: